Finding the Fourth Proportional to 8,871,152,687.43, 12,242,287,454.54 and 4,910,920,490.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871,152,687.43 : 12,242,287,454.54 = 4,910,920,490.31 : x
2. Step 2: Convert to fraction form
   8,871,152,687.43/12,242,287,454.54 = 4,910,920,490.31/x
3. Step 3: Cross multiply
   8,871,152,687.43x = 12,242,287,454.54 × 4,910,920,490.31
4. Step 4: Simplify right side
   8,871,152,687.43x = 60,120,900,308,740,988,928
5. Step 5: Solve for x
   x = 60,120,900,308,740,988,928/8,871,152,687.43
6. Step 6: Final answer
   x = 6,777,123,833.52