Finding the Fourth Proportional to 9,802.61, 13,524.33 and 5,553.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,802.61 : 13,524.33 = 5,553.25 : x
2. Step 2: Convert to fraction form
   9,802.61/13,524.33 = 5,553.25/x
3. Step 3: Cross multiply
   9,802.61x = 13,524.33 × 5,553.25
4. Step 4: Simplify right side
   9,802.61x = 75,103,985.57
5. Step 5: Solve for x
   x = 75,103,985.57/9,802.61
6. Step 6: Final answer
   x = 7,661.63