Finding the Fourth Proportional to 9,267.75, 12,789.50 and 5,076.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.75 : 12,789.50 = 5,076.15 : x
2. Step 2: Convert to fraction form
   9,267.75/12,789.50 = 5,076.15/x
3. Step 3: Cross multiply
   9,267.75x = 12,789.50 × 5,076.15
4. Step 4: Simplify right side
   9,267.75x = 64,921,395.04
5. Step 5: Solve for x
   x = 64,921,395.04/9,267.75
6. Step 6: Final answer
   x = 7,005.09