Finding the Fourth Proportional to 9,256.52, 12,774.74 and 5,720.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256.52 : 12,774.74 = 5,720.88 : x
2. Step 2: Convert to fraction form
   9,256.52/12,774.74 = 5,720.88/x
3. Step 3: Cross multiply
   9,256.52x = 12,774.74 × 5,720.88
4. Step 4: Simplify right side
   9,256.52x = 73,082,754.57
5. Step 5: Solve for x
   x = 73,082,754.57/9,256.52
6. Step 6: Final answer
   x = 7,895.27