Finding the Fourth Proportional to 9,789.93, 13,510.76 and 5,540.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.93 : 13,510.76 = 5,540.98 : x
2. Step 2: Convert to fraction form
   9,789.93/13,510.76 = 5,540.98/x
3. Step 3: Cross multiply
   9,789.93x = 13,510.76 × 5,540.98
4. Step 4: Simplify right side
   9,789.93x = 74,862,823.24
5. Step 5: Solve for x
   x = 74,862,823.24/9,789.93
6. Step 6: Final answer
   x = 7,646.93