Finding the Fourth Proportional to 113,452.32, 156,578.88 and 65,073.12

Step by Step Solution

1. Step 1: Write the proportion equation
   113,452.32 : 156,578.88 = 65,073.12 : x
2. Step 2: Convert to fraction form
   113,452.32/156,578.88 = 65,073.12/x
3. Step 3: Cross multiply
   113,452.32x = 156,578.88 × 65,073.12
4. Step 4: Simplify right side
   113,452.32x = 10,189,076,247.71
5. Step 5: Solve for x
   x = 10,189,076,247.71/113,452.32
6. Step 6: Final answer
   x = 89,809.32