Finding the Fourth Proportional to 91,871.62, 126,796.59 and 56,082.38

Step by Step Solution

1. Step 1: Write the proportion equation
   91,871.62 : 126,796.59 = 56,082.38 : x
2. Step 2: Convert to fraction form
   91,871.62/126,796.59 = 56,082.38/x
3. Step 3: Cross multiply
   91,871.62x = 126,796.59 × 56,082.38
4. Step 4: Simplify right side
   91,871.62x = 7,111,053,909.10
5. Step 5: Solve for x
   x = 7,111,053,909.10/91,871.62
6. Step 6: Final answer
   x = 77,402.08