Finding the Fourth Proportional to 31,045.62, 42,841.68 and 16,898.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,045.62 : 42,841.68 = 16,898.52 : x
2. Step 2: Convert to fraction form
   31,045.62/42,841.68 = 16,898.52/x
3. Step 3: Cross multiply
   31,045.62x = 42,841.68 × 16,898.52
4. Step 4: Simplify right side
   31,045.62x = 723,960,986.31
5. Step 5: Solve for x
   x = 723,960,986.31/31,045.62
6. Step 6: Final answer
   x = 23,319.26