Finding the Fourth Proportional to 31,042.04, 42,838.98 and 16,895.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,042.04 : 42,838.98 = 16,895.84 : x
2. Step 2: Convert to fraction form
   31,042.04/42,838.98 = 16,895.84/x
3. Step 3: Cross multiply
   31,042.04x = 42,838.98 × 16,895.84
4. Step 4: Simplify right side
   31,042.04x = 723,800,551.84
5. Step 5: Solve for x
   x = 723,800,551.84/31,042.04
6. Step 6: Final answer
   x = 23,316.78