Finding the Fourth Proportional to 12,864.27, 17,753.13 and 7,559.01

Step by Step Solution

1. Step 1: Write the proportion equation
   12,864.27 : 17,753.13 = 7,559.01 : x
2. Step 2: Convert to fraction form
   12,864.27/17,753.13 = 7,559.01/x
3. Step 3: Cross multiply
   12,864.27x = 17,753.13 × 7,559.01
4. Step 4: Simplify right side
   12,864.27x = 134,196,087.20
5. Step 5: Solve for x
   x = 134,196,087.20/12,864.27
6. Step 6: Final answer
   x = 10,431.69