Finding the Fourth Proportional to 113,524.38, 156,663.68 and 65,805.42

Step by Step Solution

1. Step 1: Write the proportion equation
   113,524.38 : 156,663.68 = 65,805.42 : x
2. Step 2: Convert to fraction form
   113,524.38/156,663.68 = 65,805.42/x
3. Step 3: Cross multiply
   113,524.38x = 156,663.68 × 65,805.42
4. Step 4: Simplify right side
   113,524.38x = 10,309,319,261.15
5. Step 5: Solve for x
   x = 10,309,319,261.15/113,524.38
6. Step 6: Final answer
   x = 90,811.50