Finding the Fourth Proportional to 9,256.32, 12,774.01 and 5,064.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,256.32 : 12,774.01 = 5,064.57 : x
2. Step 2: Convert to fraction form
   9,256.32/12,774.01 = 5,064.57/x
3. Step 3: Cross multiply
   9,256.32x = 12,774.01 × 5,064.57
4. Step 4: Simplify right side
   9,256.32x = 64,694,867.83
5. Step 5: Solve for x
   x = 64,694,867.83/9,256.32
6. Step 6: Final answer
   x = 6,989.26