Finding the Fourth Proportional to 42,402.40, 58,508.49 and 24,499.78

Step by Step Solution

1. Step 1: Write the proportion equation
   42,402.40 : 58,508.49 = 24,499.78 : x
2. Step 2: Convert to fraction form
   42,402.40/58,508.49 = 24,499.78/x
3. Step 3: Cross multiply
   42,402.40x = 58,508.49 × 24,499.78
4. Step 4: Simplify right side
   42,402.40x = 1,433,444,986.86
5. Step 5: Solve for x
   x = 1,433,444,986.86/42,402.40
6. Step 6: Final answer
   x = 33,805.75