Finding the Fourth Proportional to 42,020.17, 57,962.33 and 25,013.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.17 : 57,962.33 = 25,013.05 : x
2. Step 2: Convert to fraction form
   42,020.17/57,962.33 = 25,013.05/x
3. Step 3: Cross multiply
   42,020.17x = 57,962.33 × 25,013.05
4. Step 4: Simplify right side
   42,020.17x = 1,449,814,948.97
5. Step 5: Solve for x
   x = 1,449,814,948.97/42,020.17
6. Step 6: Final answer
   x = 34,502.84