Finding the Fourth Proportional to 10,443.64, 14,403.81 and 9,182.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.64 : 14,403.81 = 9,182.02 : x
2. Step 2: Convert to fraction form
   10,443.64/14,403.81 = 9,182.02/x
3. Step 3: Cross multiply
   10,443.64x = 14,403.81 × 9,182.02
4. Step 4: Simplify right side
   10,443.64x = 132,256,071.50
5. Step 5: Solve for x
   x = 132,256,071.50/10,443.64
6. Step 6: Final answer
   x = 12,663.79