Finding the Fourth Proportional to 42,157.22, 58,171.98 and 25,158.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,157.22 : 58,171.98 = 25,158.32 : x
2. Step 2: Convert to fraction form
   42,157.22/58,171.98 = 25,158.32/x
3. Step 3: Cross multiply
   42,157.22x = 58,171.98 × 25,158.32
4. Step 4: Simplify right side
   42,157.22x = 1,463,508,997.01
5. Step 5: Solve for x
   x = 1,463,508,997.01/42,157.22
6. Step 6: Final answer
   x = 34,715.50