Finding the Fourth Proportional to 71,754,055.47, 99,023,816.25 and 40,402,885.59

Step by Step Solution

1. Step 1: Write the proportion equation
   71,754,055.47 : 99,023,816.25 = 40,402,885.59 : x
2. Step 2: Convert to fraction form
   71,754,055.47/99,023,816.25 = 40,402,885.59/x
3. Step 3: Cross multiply
   71,754,055.47x = 99,023,816.25 × 40,402,885.59
4. Step 4: Simplify right side
   71,754,055.47x = 4,000,847,918,633,933
5. Step 5: Solve for x
   x = 4,000,847,918,633,933/71,754,055.47
6. Step 6: Final answer
   x = 55,757,795.05