Finding the Fourth Proportional to 8,854.37, 13,279.42 and 2,612.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,854.37 : 13,279.42 = 2,612.69 : x
2. Step 2: Convert to fraction form
   8,854.37/13,279.42 = 2,612.69/x
3. Step 3: Cross multiply
   8,854.37x = 13,279.42 × 2,612.69
4. Step 4: Simplify right side
   8,854.37x = 34,695,019.41
5. Step 5: Solve for x
   x = 34,695,019.41/8,854.37
6. Step 6: Final answer
   x = 3,918.41