Finding the Fourth Proportional to 42,123.87, 58,104.93 and 25,117.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.87 : 58,104.93 = 25,117.20 : x
2. Step 2: Convert to fraction form
   42,123.87/58,104.93 = 25,117.20/x
3. Step 3: Cross multiply
   42,123.87x = 58,104.93 × 25,117.20
4. Step 4: Simplify right side
   42,123.87x = 1,459,433,147.80
5. Step 5: Solve for x
   x = 1,459,433,147.80/42,123.87
6. Step 6: Final answer
   x = 34,646.23