Finding the Fourth Proportional to 8,445.83, 12,670.55 and 2,523.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,445.83 : 12,670.55 = 2,523.18 : x
2. Step 2: Convert to fraction form
   8,445.83/12,670.55 = 2,523.18/x
3. Step 3: Cross multiply
   8,445.83x = 12,670.55 × 2,523.18
4. Step 4: Simplify right side
   8,445.83x = 31,970,065.73
5. Step 5: Solve for x
   x = 31,970,065.73/8,445.83
6. Step 6: Final answer
   x = 3,785.31