Finding the Fourth Proportional to 9,267.29, 12,789.77 and 5,289.00

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.29 : 12,789.77 = 5,289.00 : x
2. Step 2: Convert to fraction form
   9,267.29/12,789.77 = 5,289.00/x
3. Step 3: Cross multiply
   9,267.29x = 12,789.77 × 5,289.00
4. Step 4: Simplify right side
   9,267.29x = 67,645,038.96
5. Step 5: Solve for x
   x = 67,645,038.96/9,267.29
6. Step 6: Final answer
   x = 7,299.34