Finding the Fourth Proportional to 42,025.12, 57,997.28 and 23,162.20

Step by Step Solution

1. Step 1: Write the proportion equation
   42,025.12 : 57,997.28 = 23,162.20 : x
2. Step 2: Convert to fraction form
   42,025.12/57,997.28 = 23,162.20/x
3. Step 3: Cross multiply
   42,025.12x = 57,997.28 × 23,162.20
4. Step 4: Simplify right side
   42,025.12x = 1,343,344,598.82
5. Step 5: Solve for x
   x = 1,343,344,598.82/42,025.12
6. Step 6: Final answer
   x = 31,965.28