Finding the Fourth Proportional to 12,371.64, 17,064.28 and 7,653.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,371.64 : 17,064.28 = 7,653.12 : x
2. Step 2: Convert to fraction form
   12,371.64/17,064.28 = 7,653.12/x
3. Step 3: Cross multiply
   12,371.64x = 17,064.28 × 7,653.12
4. Step 4: Simplify right side
   12,371.64x = 130,594,982.55
5. Step 5: Solve for x
   x = 130,594,982.55/12,371.64
6. Step 6: Final answer
   x = 10,556.00