Finding the Fourth Proportional to 12,527.76, 17,289 and 7,151.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.76 : 17,289 = 7,151.79 : x
2. Step 2: Convert to fraction form
   12,527.76/17,289 = 7,151.79/x
3. Step 3: Cross multiply
   12,527.76x = 17,289 × 7,151.79
4. Step 4: Simplify right side
   12,527.76x = 123,647,297.31
5. Step 5: Solve for x
   x = 123,647,297.31/12,527.76
6. Step 6: Final answer
   x = 9,869.86