Finding the Fourth Proportional to 9,411.76, 14,048.90 and 8,726.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.76 : 14,048.90 = 8,726.50 : x
2. Step 2: Convert to fraction form
   9,411.76/14,048.90 = 8,726.50/x
3. Step 3: Cross multiply
   9,411.76x = 14,048.90 × 8,726.50
4. Step 4: Simplify right side
   9,411.76x = 122,597,725.85
5. Step 5: Solve for x
   x = 122,597,725.85/9,411.76
6. Step 6: Final answer
   x = 13,026.01