Finding the Fourth Proportional to 31,072.50, 42,880.14 and 16,925.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,072.50 : 42,880.14 = 16,925.37 : x
2. Step 2: Convert to fraction form
   31,072.50/42,880.14 = 16,925.37/x
3. Step 3: Cross multiply
   31,072.50x = 42,880.14 × 16,925.37
4. Step 4: Simplify right side
   31,072.50x = 725,762,235.15
5. Step 5: Solve for x
   x = 725,762,235.15/31,072.50
6. Step 6: Final answer
   x = 23,357.06