Finding the Fourth Proportional to 42,819.60, 59,089.32 and 24,915.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,819.60 : 59,089.32 = 24,915.12 : x
2. Step 2: Convert to fraction form
   42,819.60/59,089.32 = 24,915.12/x
3. Step 3: Cross multiply
   42,819.60x = 59,089.32 × 24,915.12
4. Step 4: Simplify right side
   42,819.60x = 1,472,217,498.52
5. Step 5: Solve for x
   x = 1,472,217,498.52/42,819.60
6. Step 6: Final answer
   x = 34,381.86