Finding the Fourth Proportional to 31,073.16, 42,880.14 and 16,925.16

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.16 : 42,880.14 = 16,925.16 : x
2. Step 2: Convert to fraction form
   31,073.16/42,880.14 = 16,925.16/x
3. Step 3: Cross multiply
   31,073.16x = 42,880.14 × 16,925.16
4. Step 4: Simplify right side
   31,073.16x = 725,753,230.32
5. Step 5: Solve for x
   x = 725,753,230.32/31,073.16
6. Step 6: Final answer
   x = 23,356.27