Finding the Fourth Proportional to 9,789.57, 14,665.87 and 7,587.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.57 : 14,665.87 = 7,587.52 : x
2. Step 2: Convert to fraction form
   9,789.57/14,665.87 = 7,587.52/x
3. Step 3: Cross multiply
   9,789.57x = 14,665.87 × 7,587.52
4. Step 4: Simplify right side
   9,789.57x = 111,277,581.94
5. Step 5: Solve for x
   x = 111,277,581.94/9,789.57
6. Step 6: Final answer
   x = 11,366.95