Finding the Fourth Proportional to 9,808.43, 13,534.92 and 5,559.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,808.43 : 13,534.92 = 5,559.57 : x
2. Step 2: Convert to fraction form
   9,808.43/13,534.92 = 5,559.57/x
3. Step 3: Cross multiply
   9,808.43x = 13,534.92 × 5,559.57
4. Step 4: Simplify right side
   9,808.43x = 75,248,335.18
5. Step 5: Solve for x
   x = 75,248,335.18/9,808.43
6. Step 6: Final answer
   x = 7,671.81