Finding the Fourth Proportional to 88,859.52, 133,110.72 and 42,157.44

Step by Step Solution

1. Step 1: Write the proportion equation
   88,859.52 : 133,110.72 = 42,157.44 : x
2. Step 2: Convert to fraction form
   88,859.52/133,110.72 = 42,157.44/x
3. Step 3: Cross multiply
   88,859.52x = 133,110.72 × 42,157.44
4. Step 4: Simplify right side
   88,859.52x = 5,611,607,191.76
5. Step 5: Solve for x
   x = 5,611,607,191.76/88,859.52
6. Step 6: Final answer
   x = 63,151.45