Finding the Fourth Proportional to 8,180.78, 12,266.24 and 3,677.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,180.78 : 12,266.24 = 3,677.01 : x
2. Step 2: Convert to fraction form
   8,180.78/12,266.24 = 3,677.01/x
3. Step 3: Cross multiply
   8,180.78x = 12,266.24 × 3,677.01
4. Step 4: Simplify right side
   8,180.78x = 45,103,068.76
5. Step 5: Solve for x
   x = 45,103,068.76/8,180.78
6. Step 6: Final answer
   x = 5,513.30