Finding the Fourth Proportional to 31,061.19, 42,864.61 and 16,914.04

Step by Step Solution

1. Step 1: Write the proportion equation
   31,061.19 : 42,864.61 = 16,914.04 : x
2. Step 2: Convert to fraction form
   31,061.19/42,864.61 = 16,914.04/x
3. Step 3: Cross multiply
   31,061.19x = 42,864.61 × 16,914.04
4. Step 4: Simplify right side
   31,061.19x = 725,013,728.12
5. Step 5: Solve for x
   x = 725,013,728.12/31,061.19
6. Step 6: Final answer
   x = 23,341.47