Finding the Fourth Proportional to 9,257.36, 12,774.86 and 5,065.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,257.36 : 12,774.86 = 5,065.52 : x
2. Step 2: Convert to fraction form
   9,257.36/12,774.86 = 5,065.52/x
3. Step 3: Cross multiply
   9,257.36x = 12,774.86 × 5,065.52
4. Step 4: Simplify right side
   9,257.36x = 64,711,308.83
5. Step 5: Solve for x
   x = 64,711,308.83/9,257.36
6. Step 6: Final answer
   x = 6,990.26