Finding the Fourth Proportional to 113,626.48, 156,805.32 and 63,328.72

Step by Step Solution

1. Step 1: Write the proportion equation
   113,626.48 : 156,805.32 = 63,328.72 : x
2. Step 2: Convert to fraction form
   113,626.48/156,805.32 = 63,328.72/x
3. Step 3: Cross multiply
   113,626.48x = 156,805.32 × 63,328.72
4. Step 4: Simplify right side
   113,626.48x = 9,930,280,204.79
5. Step 5: Solve for x
   x = 9,930,280,204.79/113,626.48
6. Step 6: Final answer
   x = 87,394.07