Finding the Fourth Proportional to 9,311.64, 12,850.28 and 5,062.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.64 : 12,850.28 = 5,062.94 : x
2. Step 2: Convert to fraction form
   9,311.64/12,850.28 = 5,062.94/x
3. Step 3: Cross multiply
   9,311.64x = 12,850.28 × 5,062.94
4. Step 4: Simplify right side
   9,311.64x = 65,060,171.31
5. Step 5: Solve for x
   x = 65,060,171.31/9,311.64
6. Step 6: Final answer
   x = 6,986.98