Finding the Fourth Proportional to 31,153.05, 42,989.71 and 17,723.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,153.05 : 42,989.71 = 17,723.04 : x
2. Step 2: Convert to fraction form
   31,153.05/42,989.71 = 17,723.04/x
3. Step 3: Cross multiply
   31,153.05x = 42,989.71 × 17,723.04
4. Step 4: Simplify right side
   31,153.05x = 761,908,349.92
5. Step 5: Solve for x
   x = 761,908,349.92/31,153.05
6. Step 6: Final answer
   x = 24,456.94