Finding the Fourth Proportional to 9,868.06, 13,617.82 and 5,560.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.06 : 13,617.82 = 5,560.75 : x
2. Step 2: Convert to fraction form
   9,868.06/13,617.82 = 5,560.75/x
3. Step 3: Cross multiply
   9,868.06x = 13,617.82 × 5,560.75
4. Step 4: Simplify right side
   9,868.06x = 75,725,316.54
5. Step 5: Solve for x
   x = 75,725,316.54/9,868.06
6. Step 6: Final answer
   x = 7,673.78