Finding the Fourth Proportional to 1,800,661,754.43, 2,700,942,243.17 and 573,903,820.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,800,661,754.43 : 2,700,942,243.17 = 573,903,820.35 : x
2. Step 2: Convert to fraction form
   1,800,661,754.43/2,700,942,243.17 = 573,903,820.35/x
3. Step 3: Cross multiply
   1,800,661,754.43x = 2,700,942,243.17 × 573,903,820.35
4. Step 4: Simplify right side
   1,800,661,754.43x = 1,550,081,071,897,092,096
5. Step 5: Solve for x
   x = 1,550,081,071,897,092,096/1,800,661,754.43
6. Step 6: Final answer
   x = 860,839,670.80