Finding the Fourth Proportional to 9,560.32, 14,339.40 and 2,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,560.32 : 14,339.40 = 2,986.72 : x
2. Step 2: Convert to fraction form
   9,560.32/14,339.40 = 2,986.72/x
3. Step 3: Cross multiply
   9,560.32x = 14,339.40 × 2,986.72
4. Step 4: Simplify right side
   9,560.32x = 42,827,772.77
5. Step 5: Solve for x
   x = 42,827,772.77/9,560.32
6. Step 6: Final answer
   x = 4,479.74