Finding the Fourth Proportional to 113,464.80, 156,567.84 and 65,711.52

Step by Step Solution

1. Step 1: Write the proportion equation
   113,464.80 : 156,567.84 = 65,711.52 : x
2. Step 2: Convert to fraction form
   113,464.80/156,567.84 = 65,711.52/x
3. Step 3: Cross multiply
   113,464.80x = 156,567.84 × 65,711.52
4. Step 4: Simplify right side
   113,464.80x = 10,288,310,749.52
5. Step 5: Solve for x
   x = 10,288,310,749.52/113,464.80
6. Step 6: Final answer
   x = 90,674.03