Finding the Fourth Proportional to 42,381.76, 58,488.04 and 23,520.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381.76 : 58,488.04 = 23,520.10 : x
2. Step 2: Convert to fraction form
   42,381.76/58,488.04 = 23,520.10/x
3. Step 3: Cross multiply
   42,381.76x = 58,488.04 × 23,520.10
4. Step 4: Simplify right side
   42,381.76x = 1,375,644,549.60
5. Step 5: Solve for x
   x = 1,375,644,549.60/42,381.76
6. Step 6: Final answer
   x = 32,458.41