Finding the Fourth Proportional to 17,951.91, 26,931.72 and 5,472.96

Step by Step Solution

1. Step 1: Write the proportion equation
   17,951.91 : 26,931.72 = 5,472.96 : x
2. Step 2: Convert to fraction form
   17,951.91/26,931.72 = 5,472.96/x
3. Step 3: Cross multiply
   17,951.91x = 26,931.72 × 5,472.96
4. Step 4: Simplify right side
   17,951.91x = 147,396,226.29
5. Step 5: Solve for x
   x = 147,396,226.29/17,951.91
6. Step 6: Final answer
   x = 8,210.62