Finding the Fourth Proportional to 42,157.72, 58,172.67 and 25,158.82

Step by Step Solution

1. Step 1: Write the proportion equation
   42,157.72 : 58,172.67 = 25,158.82 : x
2. Step 2: Convert to fraction form
   42,157.72/58,172.67 = 25,158.82/x
3. Step 3: Cross multiply
   42,157.72x = 58,172.67 × 25,158.82
4. Step 4: Simplify right side
   42,157.72x = 1,463,555,442.59
5. Step 5: Solve for x
   x = 1,463,555,442.59/42,157.72
6. Step 6: Final answer
   x = 34,716.19