Finding the Fourth Proportional to 42,412.80, 58,535.04 and 25,655.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,412.80 : 58,535.04 = 25,655.04 : x
2. Step 2: Convert to fraction form
   42,412.80/58,535.04 = 25,655.04/x
3. Step 3: Cross multiply
   42,412.80x = 58,535.04 × 25,655.04
4. Step 4: Simplify right side
   42,412.80x = 1,501,718,792.60
5. Step 5: Solve for x
   x = 1,501,718,792.60/42,412.80
6. Step 6: Final answer
   x = 35,407.21