Finding the Fourth Proportional to 31,073.05, 42,880.88 and 16,925.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,073.05 : 42,880.88 = 16,925.59 : x
2. Step 2: Convert to fraction form
   31,073.05/42,880.88 = 16,925.59/x
3. Step 3: Cross multiply
   31,073.05x = 42,880.88 × 16,925.59
4. Step 4: Simplify right side
   31,073.05x = 725,783,894.69
5. Step 5: Solve for x
   x = 725,783,894.69/31,073.05
6. Step 6: Final answer
   x = 23,357.35