Finding the Fourth Proportional to 12,551.76, 17,320.16 and 7,514.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,551.76 : 17,320.16 = 7,514.96 : x
2. Step 2: Convert to fraction form
   12,551.76/17,320.16 = 7,514.96/x
3. Step 3: Cross multiply
   12,551.76x = 17,320.16 × 7,514.96
4. Step 4: Simplify right side
   12,551.76x = 130,160,309.59
5. Step 5: Solve for x
   x = 130,160,309.59/12,551.76
6. Step 6: Final answer
   x = 10,369.89