Finding the Fourth Proportional to 31,045.59, 42,843.15 and 16,898.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045.59 : 42,843.15 = 16,898.49 : x
2. Step 2: Convert to fraction form
   31,045.59/42,843.15 = 16,898.49/x
3. Step 3: Cross multiply
   31,045.59x = 42,843.15 × 16,898.49
4. Step 4: Simplify right side
   31,045.59x = 723,984,541.84
5. Step 5: Solve for x
   x = 723,984,541.84/31,045.59
6. Step 6: Final answer
   x = 23,320.04