Finding the Fourth Proportional to 12,371.55, 17,062.82 and 10,876.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.55 : 17,062.82 = 10,876.29 : x
2. Step 2: Convert to fraction form
   12,371.55/17,062.82 = 10,876.29/x
3. Step 3: Cross multiply
   12,371.55x = 17,062.82 × 10,876.29
4. Step 4: Simplify right side
   12,371.55x = 185,580,038.84
5. Step 5: Solve for x
   x = 185,580,038.84/12,371.55
6. Step 6: Final answer
   x = 15,000.55