Finding the Fourth Proportional to 42,020.58, 57,962.70 and 25,013.46

Step by Step Solution

1. Step 1: Write the proportion equation
   42,020.58 : 57,962.70 = 25,013.46 : x
2. Step 2: Convert to fraction form
   42,020.58/57,962.70 = 25,013.46/x
3. Step 3: Cross multiply
   42,020.58x = 57,962.70 × 25,013.46
4. Step 4: Simplify right side
   42,020.58x = 1,449,847,677.94
5. Step 5: Solve for x
   x = 1,449,847,677.94/42,020.58
6. Step 6: Final answer
   x = 34,503.28