Finding the Fourth Proportional to 9,789.55, 13,510.08 and 5,540.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.55 : 13,510.08 = 5,540.83 : x
2. Step 2: Convert to fraction form
   9,789.55/13,510.08 = 5,540.83/x
3. Step 3: Cross multiply
   9,789.55x = 13,510.08 × 5,540.83
4. Step 4: Simplify right side
   9,789.55x = 74,857,056.57
5. Step 5: Solve for x
   x = 74,857,056.57/9,789.55
6. Step 6: Final answer
   x = 7,646.63