Finding the Fourth Proportional to 8,164.50, 12,247.62 and 2,615.86

Step by Step Solution

1. Step 1: Write the proportion equation
   8,164.50 : 12,247.62 = 2,615.86 : x
2. Step 2: Convert to fraction form
   8,164.50/12,247.62 = 2,615.86/x
3. Step 3: Cross multiply
   8,164.50x = 12,247.62 × 2,615.86
4. Step 4: Simplify right side
   8,164.50x = 32,038,059.25
5. Step 5: Solve for x
   x = 32,038,059.25/8,164.50
6. Step 6: Final answer
   x = 3,924.07