Finding the Fourth Proportional to 9,765.98, 13,477.89 and 5,517.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,765.98 : 13,477.89 = 5,517.82 : x
2. Step 2: Convert to fraction form
   9,765.98/13,477.89 = 5,517.82/x
3. Step 3: Cross multiply
   9,765.98x = 13,477.89 × 5,517.82
4. Step 4: Simplify right side
   9,765.98x = 74,368,543.41
5. Step 5: Solve for x
   x = 74,368,543.41/9,765.98
6. Step 6: Final answer
   x = 7,615.06