Finding the Fourth Proportional to 71,787,787.98, 99,066,642.06 and 39,192,739.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,787,787.98 : 99,066,642.06 = 39,192,739.98 : x
2. Step 2: Convert to fraction form
   71,787,787.98/99,066,642.06 = 39,192,739.98/x
3. Step 3: Cross multiply
   71,787,787.98x = 99,066,642.06 × 39,192,739.98
4. Step 4: Simplify right side
   71,787,787.98x = 3,882,693,142,949,311.50
5. Step 5: Solve for x
   x = 3,882,693,142,949,311.50/71,787,787.98
6. Step 6: Final answer
   x = 54,085,705.27