Finding the Fourth Proportional to 87,636.89, 131,402.69 and 34,265.28

Step by Step Solution

1. Step 1: Write the proportion equation
   87,636.89 : 131,402.69 = 34,265.28 : x
2. Step 2: Convert to fraction form
   87,636.89/131,402.69 = 34,265.28/x
3. Step 3: Cross multiply
   87,636.89x = 131,402.69 × 34,265.28
4. Step 4: Simplify right side
   87,636.89x = 4,502,550,122.78
5. Step 5: Solve for x
   x = 4,502,550,122.78/87,636.89
6. Step 6: Final answer
   x = 51,377.34