Finding the Fourth Proportional to 31,093.65, 42,909.08 and 16,946.37

Step by Step Solution

1. Step 1: Write the proportion equation
   31,093.65 : 42,909.08 = 16,946.37 : x
2. Step 2: Convert to fraction form
   31,093.65/42,909.08 = 16,946.37/x
3. Step 3: Cross multiply
   31,093.65x = 42,909.08 × 16,946.37
4. Step 4: Simplify right side
   31,093.65x = 727,153,061.31
5. Step 5: Solve for x
   x = 727,153,061.31/31,093.65
6. Step 6: Final answer
   x = 23,385.90