Finding the Fourth Proportional to 9,789.72, 13,487 and 8,010.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.72 : 13,487 = 8,010.96 : x
2. Step 2: Convert to fraction form
   9,789.72/13,487 = 8,010.96/x
3. Step 3: Cross multiply
   9,789.72x = 13,487 × 8,010.96
4. Step 4: Simplify right side
   9,789.72x = 108,043,817.52
5. Step 5: Solve for x
   x = 108,043,817.52/9,789.72
6. Step 6: Final answer
   x = 11,036.46