Finding the Fourth Proportional to 17,902.72, 26,863.17 and 8,039.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,902.72 : 26,863.17 = 8,039.98 : x
2. Step 2: Convert to fraction form
   17,902.72/26,863.17 = 8,039.98/x
3. Step 3: Cross multiply
   17,902.72x = 26,863.17 × 8,039.98
4. Step 4: Simplify right side
   17,902.72x = 215,979,349.54
5. Step 5: Solve for x
   x = 215,979,349.54/17,902.72
6. Step 6: Final answer
   x = 12,064.05