Finding the Fourth Proportional to 9,267.78, 12,789.59 and 5,076.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.78 : 12,789.59 = 5,076.03 : x
2. Step 2: Convert to fraction form
   9,267.78/12,789.59 = 5,076.03/x
3. Step 3: Cross multiply
   9,267.78x = 12,789.59 × 5,076.03
4. Step 4: Simplify right side
   9,267.78x = 64,920,342.53
5. Step 5: Solve for x
   x = 64,920,342.53/9,267.78
6. Step 6: Final answer
   x = 7,004.95