Finding the Fourth Proportional to 2,467,897,635.48, 3,405,705,338.31 and 1,338,867,398.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,467,897,635.48 : 3,405,705,338.31 = 1,338,867,398.72 : x
2. Step 2: Convert to fraction form
   2,467,897,635.48/3,405,705,338.31 = 1,338,867,398.72/x
3. Step 3: Cross multiply
   2,467,897,635.48x = 3,405,705,338.31 × 1,338,867,398.72
4. Step 4: Simplify right side
   2,467,897,635.48x = 4,559,787,847,118,441,984
5. Step 5: Solve for x
   x = 4,559,787,847,118,441,984/2,467,897,635.48
6. Step 6: Final answer
   x = 1,847,640,591.56