Finding the Fourth Proportional to 9,015.52, 12,434.56 and 7,758.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,015.52 : 12,434.56 = 7,758.69 : x
2. Step 2: Convert to fraction form
   9,015.52/12,434.56 = 7,758.69/x
3. Step 3: Cross multiply
   9,015.52x = 12,434.56 × 7,758.69
4. Step 4: Simplify right side
   9,015.52x = 96,475,896.33
5. Step 5: Solve for x
   x = 96,475,896.33/9,015.52
6. Step 6: Final answer
   x = 10,701.09