Finding the Fourth Proportional to 31,916.69, 44,045.06 and 18,488.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,916.69 : 44,045.06 = 18,488.71 : x
2. Step 2: Convert to fraction form
   31,916.69/44,045.06 = 18,488.71/x
3. Step 3: Cross multiply
   31,916.69x = 44,045.06 × 18,488.71
4. Step 4: Simplify right side
   31,916.69x = 814,336,341.27
5. Step 5: Solve for x
   x = 814,336,341.27/31,916.69
6. Step 6: Final answer
   x = 25,514.44