Finding the Fourth Proportional to 1,390,562,691,915.30, 2,086,081,671,122.20 and 573,288,675,153.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,390,562,691,915.30 : 2,086,081,671,122.20 = 573,288,675,153.38 : x
2. Step 2: Convert to fraction form
   1,390,562,691,915.30/2,086,081,671,122.20 = 573,288,675,153.38/x
3. Step 3: Cross multiply
   1,390,562,691,915.30x = 2,086,081,671,122.20 × 573,288,675,153.38
4. Step 4: Simplify right side
   1,390,562,691,915.30x = 1,195,926,997,499,395,012,820,992
5. Step 5: Solve for x
   x = 1,195,926,997,499,395,012,820,992/1,390,562,691,915.30
6. Step 6: Final answer
   x = 860,030,982,027.99