Finding the Fourth Proportional to 9,064.72, 12,499.32 and 6,265.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,064.72 : 12,499.32 = 6,265.36 : x
2. Step 2: Convert to fraction form
   9,064.72/12,499.32 = 6,265.36/x
3. Step 3: Cross multiply
   9,064.72x = 12,499.32 × 6,265.36
4. Step 4: Simplify right side
   9,064.72x = 78,312,739.56
5. Step 5: Solve for x
   x = 78,312,739.56/9,064.72
6. Step 6: Final answer
   x = 8,639.29