Finding the Fourth Proportional to 10,503.76, 14,498.91 and 9,382.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,503.76 : 14,498.91 = 9,382.76 : x
2. Step 2: Convert to fraction form
   10,503.76/14,498.91 = 9,382.76/x
3. Step 3: Cross multiply
   10,503.76x = 14,498.91 × 9,382.76
4. Step 4: Simplify right side
   10,503.76x = 136,039,720.30
5. Step 5: Solve for x
   x = 136,039,720.30/10,503.76
6. Step 6: Final answer
   x = 12,951.52