Finding the Fourth Proportional to 42,020.90, 57,988.17 and 24,115.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.90 : 57,988.17 = 24,115.49 : x
2. Step 2: Convert to fraction form
   42,020.90/57,988.17 = 24,115.49/x
3. Step 3: Cross multiply
   42,020.90x = 57,988.17 × 24,115.49
4. Step 4: Simplify right side
   42,020.90x = 1,398,413,133.75
5. Step 5: Solve for x
   x = 1,398,413,133.75/42,020.90
6. Step 6: Final answer
   x = 33,278.99