Finding the Fourth Proportional to 12,371, 17,059.16 and 8,598.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371 : 17,059.16 = 8,598.43 : x
2. Step 2: Convert to fraction form
   12,371/17,059.16 = 8,598.43/x
3. Step 3: Cross multiply
   12,371x = 17,059.16 × 8,598.43
4. Step 4: Simplify right side
   12,371x = 146,681,864.83
5. Step 5: Solve for x
   x = 146,681,864.83/12,371
6. Step 6: Final answer
   x = 11,856.91