Finding the Fourth Proportional to 42,639.57, 58,841.76 and 23,521.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,639.57 : 58,841.76 = 23,521.11 : x
2. Step 2: Convert to fraction form
   42,639.57/58,841.76 = 23,521.11/x
3. Step 3: Cross multiply
   42,639.57x = 58,841.76 × 23,521.11
4. Step 4: Simplify right side
   42,639.57x = 1,384,023,509.55
5. Step 5: Solve for x
   x = 1,384,023,509.55/42,639.57
6. Step 6: Final answer
   x = 32,458.66