Finding the Fourth Proportional to 71,787,789.98, 99,066,644.82 and 39,192,741.98

Step by Step Solution

1. Step 1: Write the proportion equation
   71,787,789.98 : 99,066,644.82 = 39,192,741.98 : x
2. Step 2: Convert to fraction form
   71,787,789.98/99,066,644.82 = 39,192,741.98/x
3. Step 3: Cross multiply
   71,787,789.98x = 99,066,644.82 × 39,192,741.98
4. Step 4: Simplify right side
   71,787,789.98x = 3,882,693,449,254,563
5. Step 5: Solve for x
   x = 3,882,693,449,254,563/71,787,789.98
6. Step 6: Final answer
   x = 54,085,708.03