Finding the Fourth Proportional to 31,063.29, 42,867.83 and 16,916.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,063.29 : 42,867.83 = 16,916.12 : x
2. Step 2: Convert to fraction form
   31,063.29/42,867.83 = 16,916.12/x
3. Step 3: Cross multiply
   31,063.29x = 42,867.83 × 16,916.12
4. Step 4: Simplify right side
   31,063.29x = 725,157,356.42
5. Step 5: Solve for x
   x = 725,157,356.42/31,063.29
6. Step 6: Final answer
   x = 23,344.51