Finding the Fourth Proportional to 31,063.98, 42,868.98 and 16,916.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,063.98 : 42,868.98 = 16,916.83 : x
2. Step 2: Convert to fraction form
   31,063.98/42,868.98 = 16,916.83/x
3. Step 3: Cross multiply
   31,063.98x = 42,868.98 × 16,916.83
4. Step 4: Simplify right side
   31,063.98x = 725,207,246.93
5. Step 5: Solve for x
   x = 725,207,246.93/31,063.98
6. Step 6: Final answer
   x = 23,345.60