Finding the Fourth Proportional to 8,155.50, 12,233.86 and 2,312.58

Step by Step Solution

1. Step 1: Write the proportion equation
   8,155.50 : 12,233.86 = 2,312.58 : x
2. Step 2: Convert to fraction form
   8,155.50/12,233.86 = 2,312.58/x
3. Step 3: Cross multiply
   8,155.50x = 12,233.86 × 2,312.58
4. Step 4: Simplify right side
   8,155.50x = 28,291,779.96
5. Step 5: Solve for x
   x = 28,291,779.96/8,155.50
6. Step 6: Final answer
   x = 3,469.04