Finding the Fourth Proportional to 42,391.40, 58,506.22 and 25,396.37

Step by Step Solution

1. Step 1: Write the proportion equation
   42,391.40 : 58,506.22 = 25,396.37 : x
2. Step 2: Convert to fraction form
   42,391.40/58,506.22 = 25,396.37/x
3. Step 3: Cross multiply
   42,391.40x = 58,506.22 × 25,396.37
4. Step 4: Simplify right side
   42,391.40x = 1,485,845,610.42
5. Step 5: Solve for x
   x = 1,485,845,610.42/42,391.40
6. Step 6: Final answer
   x = 35,050.64