Finding the Fourth Proportional to 8,151.31, 12,225.12 and 3,764.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.31 : 12,225.12 = 3,764.53 : x
2. Step 2: Convert to fraction form
   8,151.31/12,225.12 = 3,764.53/x
3. Step 3: Cross multiply
   8,151.31x = 12,225.12 × 3,764.53
4. Step 4: Simplify right side
   8,151.31x = 46,021,830.99
5. Step 5: Solve for x
   x = 46,021,830.99/8,151.31
6. Step 6: Final answer
   x = 5,645.94