Finding the Fourth Proportional to 9,314.55, 12,853.98 and 5,065.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,314.55 : 12,853.98 = 5,065.74 : x
2. Step 2: Convert to fraction form
   9,314.55/12,853.98 = 5,065.74/x
3. Step 3: Cross multiply
   9,314.55x = 12,853.98 × 5,065.74
4. Step 4: Simplify right side
   9,314.55x = 65,114,920.65
5. Step 5: Solve for x
   x = 65,114,920.65/9,314.55
6. Step 6: Final answer
   x = 6,990.67