Finding the Fourth Proportional to 76,716,061.88, 115,119,493.41 and 28,227,966.31

Step by Step Solution

1. Step 1: Write the proportion equation
   76,716,061.88 : 115,119,493.41 = 28,227,966.31 : x
2. Step 2: Convert to fraction form
   76,716,061.88/115,119,493.41 = 28,227,966.31/x
3. Step 3: Cross multiply
   76,716,061.88x = 115,119,493.41 × 28,227,966.31
4. Step 4: Simplify right side
   76,716,061.88x = 3,249,589,181,851,501
5. Step 5: Solve for x
   x = 3,249,589,181,851,501/76,716,061.88
6. Step 6: Final answer
   x = 42,358,654.79