Finding the Fourth Proportional to 113,392.26, 156,500.50 and 65,674.62

Step by Step Solution

1. Step 1: Write the proportion equation
   113,392.26 : 156,500.50 = 65,674.62 : x
2. Step 2: Convert to fraction form
   113,392.26/156,500.50 = 65,674.62/x
3. Step 3: Cross multiply
   113,392.26x = 156,500.50 × 65,674.62
4. Step 4: Simplify right side
   113,392.26x = 10,278,110,867.31
5. Step 5: Solve for x
   x = 10,278,110,867.31/113,392.26
6. Step 6: Final answer
   x = 90,642.08