Finding the Fourth Proportional to 10,475.72, 14,443.02 and 8,580.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,475.72 : 14,443.02 = 8,580.32 : x
2. Step 2: Convert to fraction form
   10,475.72/14,443.02 = 8,580.32/x
3. Step 3: Cross multiply
   10,475.72x = 14,443.02 × 8,580.32
4. Step 4: Simplify right side
   10,475.72x = 123,925,733.37
5. Step 5: Solve for x
   x = 123,925,733.37/10,475.72
6. Step 6: Final answer
   x = 11,829.81