Finding the Fourth Proportional to 31,076.40, 42,882.21 and 17,462.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,076.40 : 42,882.21 = 17,462.28 : x
2. Step 2: Convert to fraction form
   31,076.40/42,882.21 = 17,462.28/x
3. Step 3: Cross multiply
   31,076.40x = 42,882.21 × 17,462.28
4. Step 4: Simplify right side
   31,076.40x = 748,820,856.32
5. Step 5: Solve for x
   x = 748,820,856.32/31,076.40
6. Step 6: Final answer
   x = 24,096.13