Finding the Fourth Proportional to 9,311.88, 12,849.72 and 5,534.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.88 : 12,849.72 = 5,534.88 : x
2. Step 2: Convert to fraction form
   9,311.88/12,849.72 = 5,534.88/x
3. Step 3: Cross multiply
   9,311.88x = 12,849.72 × 5,534.88
4. Step 4: Simplify right side
   9,311.88x = 71,121,658.23
5. Step 5: Solve for x
   x = 71,121,658.23/9,311.88
6. Step 6: Final answer
   x = 7,637.73