Finding the Fourth Proportional to 9,809.96, 13,534.43 and 5,560.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,809.96 : 13,534.43 = 5,560.56 : x
2. Step 2: Convert to fraction form
   9,809.96/13,534.43 = 5,560.56/x
3. Step 3: Cross multiply
   9,809.96x = 13,534.43 × 5,560.56
4. Step 4: Simplify right side
   9,809.96x = 75,258,982.28
5. Step 5: Solve for x
   x = 75,258,982.28/9,809.96
6. Step 6: Final answer
   x = 7,671.69