Finding the Fourth Proportional to 9,752.72, 14,690.46 and 8,880.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,752.72 : 14,690.46 = 8,880.76 : x
2. Step 2: Convert to fraction form
   9,752.72/14,690.46 = 8,880.76/x
3. Step 3: Cross multiply
   9,752.72x = 14,690.46 × 8,880.76
4. Step 4: Simplify right side
   9,752.72x = 130,462,449.55
5. Step 5: Solve for x
   x = 130,462,449.55/9,752.72
6. Step 6: Final answer
   x = 13,377.03