Finding the Fourth Proportional to 113,451.32, 156,549.24 and 65,698.16

Step by Step Solution

1. Step 1: Write the proportion equation
   113,451.32 : 156,549.24 = 65,698.16 : x
2. Step 2: Convert to fraction form
   113,451.32/156,549.24 = 65,698.16/x
3. Step 3: Cross multiply
   113,451.32x = 156,549.24 × 65,698.16
4. Step 4: Simplify right side
   113,451.32x = 10,284,997,017.40
5. Step 5: Solve for x
   x = 10,284,997,017.40/113,451.32
6. Step 6: Final answer
   x = 90,655.60