Finding the Fourth Proportional to 9,809.34, 13,535.80 and 5,560.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,809.34 : 13,535.80 = 5,560.08 : x
2. Step 2: Convert to fraction form
   9,809.34/13,535.80 = 5,560.08/x
3. Step 3: Cross multiply
   9,809.34x = 13,535.80 × 5,560.08
4. Step 4: Simplify right side
   9,809.34x = 75,260,130.86
5. Step 5: Solve for x
   x = 75,260,130.86/9,809.34
6. Step 6: Final answer
   x = 7,672.29