Finding the Fourth Proportional to 12,611.15, 17,384.71 and 8,073.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,611.15 : 17,384.71 = 8,073.17 : x
2. Step 2: Convert to fraction form
   12,611.15/17,384.71 = 8,073.17/x
3. Step 3: Cross multiply
   12,611.15x = 17,384.71 × 8,073.17
4. Step 4: Simplify right side
   12,611.15x = 140,349,719.23
5. Step 5: Solve for x
   x = 140,349,719.23/12,611.15
6. Step 6: Final answer
   x = 11,129.02