Finding the Fourth Proportional to 12,176.55, 18,266.31 and 3,854.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,176.55 : 18,266.31 = 3,854.34 : x
2. Step 2: Convert to fraction form
   12,176.55/18,266.31 = 3,854.34/x
3. Step 3: Cross multiply
   12,176.55x = 18,266.31 × 3,854.34
4. Step 4: Simplify right side
   12,176.55x = 70,404,569.29
5. Step 5: Solve for x
   x = 70,404,569.29/12,176.55
6. Step 6: Final answer
   x = 5,781.98