Finding the Fourth Proportional to 42,396.62, 58,505.42 and 25,410.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,396.62 : 58,505.42 = 25,410.31 : x
2. Step 2: Convert to fraction form
   42,396.62/58,505.42 = 25,410.31/x
3. Step 3: Cross multiply
   42,396.62x = 58,505.42 × 25,410.31
4. Step 4: Simplify right side
   42,396.62x = 1,486,640,776.14
5. Step 5: Solve for x
   x = 1,486,640,776.14/42,396.62
6. Step 6: Final answer
   x = 35,065.08