Finding the Fourth Proportional to 9,314.22, 12,853.55 and 5,065.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,314.22 : 12,853.55 = 5,065.28 : x
2. Step 2: Convert to fraction form
   9,314.22/12,853.55 = 5,065.28/x
3. Step 3: Cross multiply
   9,314.22x = 12,853.55 × 5,065.28
4. Step 4: Simplify right side
   9,314.22x = 65,106,836.55
5. Step 5: Solve for x
   x = 65,106,836.55/9,314.22
6. Step 6: Final answer
   x = 6,990.05