Finding the Fourth Proportional to 9,666.32, 14,490.72 and 3,508.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,666.32 : 14,490.72 = 3,508.88 : x
2. Step 2: Convert to fraction form
   9,666.32/14,490.72 = 3,508.88/x
3. Step 3: Cross multiply
   9,666.32x = 14,490.72 × 3,508.88
4. Step 4: Simplify right side
   9,666.32x = 50,846,197.59
5. Step 5: Solve for x
   x = 50,846,197.59/9,666.32
6. Step 6: Final answer
   x = 5,260.14