Finding the Fourth Proportional to 31,036.05, 42,831.87 and 17,607.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,036.05 : 42,831.87 = 17,607.42 : x
2. Step 2: Convert to fraction form
   31,036.05/42,831.87 = 17,607.42/x
3. Step 3: Cross multiply
   31,036.05x = 42,831.87 × 17,607.42
4. Step 4: Simplify right side
   31,036.05x = 754,158,724.48
5. Step 5: Solve for x
   x = 754,158,724.48/31,036.05
6. Step 6: Final answer
   x = 24,299.44