Finding the Fourth Proportional to 8,151.78, 12,231.48 and 3,770.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.78 : 12,231.48 = 3,770.10 : x
2. Step 2: Convert to fraction form
   8,151.78/12,231.48 = 3,770.10/x
3. Step 3: Cross multiply
   8,151.78x = 12,231.48 × 3,770.10
4. Step 4: Simplify right side
   8,151.78x = 46,113,902.75
5. Step 5: Solve for x
   x = 46,113,902.75/8,151.78
6. Step 6: Final answer
   x = 5,656.91