Finding the Fourth Proportional to 88,861.52, 133,113.72 and 42,159.44

Step by Step Solution

1. Step 1: Write the proportion equation
   88,861.52 : 133,113.72 = 42,159.44 : x
2. Step 2: Convert to fraction form
   88,861.52/133,113.72 = 42,159.44/x
3. Step 3: Cross multiply
   88,861.52x = 133,113.72 × 42,159.44
4. Step 4: Simplify right side
   88,861.52x = 5,611,999,891.52
5. Step 5: Solve for x
   x = 5,611,999,891.52/88,861.52
6. Step 6: Final answer
   x = 63,154.44