Finding the Fourth Proportional to 9,633.27, 13,288.59 and 7,842.68

Step by Step Solution

1. Step 1: Write the proportion equation
   9,633.27 : 13,288.59 = 7,842.68 : x
2. Step 2: Convert to fraction form
   9,633.27/13,288.59 = 7,842.68/x
3. Step 3: Cross multiply
   9,633.27x = 13,288.59 × 7,842.68
4. Step 4: Simplify right side
   9,633.27x = 104,218,092.58
5. Step 5: Solve for x
   x = 104,218,092.58/9,633.27
6. Step 6: Final answer
   x = 10,818.56