Finding the Fourth Proportional to 9,311.06, 12,849.30 and 5,062.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.06 : 12,849.30 = 5,062.16 : x
2. Step 2: Convert to fraction form
   9,311.06/12,849.30 = 5,062.16/x
3. Step 3: Cross multiply
   9,311.06x = 12,849.30 × 5,062.16
4. Step 4: Simplify right side
   9,311.06x = 65,045,212.49
5. Step 5: Solve for x
   x = 65,045,212.49/9,311.06
6. Step 6: Final answer
   x = 6,985.80