Finding the Fourth Proportional to 12,341.62, 17,037.06 and 7,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,341.62 : 17,037.06 = 7,871.50 : x
2. Step 2: Convert to fraction form
   12,341.62/17,037.06 = 7,871.50/x
3. Step 3: Cross multiply
   12,341.62x = 17,037.06 × 7,871.50
4. Step 4: Simplify right side
   12,341.62x = 134,107,217.79
5. Step 5: Solve for x
   x = 134,107,217.79/12,341.62
6. Step 6: Final answer
   x = 10,866.26