Finding the Fourth Proportional to 9,255.56, 12,772.86 and 5,064.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,255.56 : 12,772.86 = 5,064.08 : x
2. Step 2: Convert to fraction form
   9,255.56/12,772.86 = 5,064.08/x
3. Step 3: Cross multiply
   9,255.56x = 12,772.86 × 5,064.08
4. Step 4: Simplify right side
   9,255.56x = 64,682,784.87
5. Step 5: Solve for x
   x = 64,682,784.87/9,255.56
6. Step 6: Final answer
   x = 6,988.53