Finding the Fourth Proportional to 8,141.60, 12,218.72 and 3,759.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,141.60 : 12,218.72 = 3,759.52 : x
2. Step 2: Convert to fraction form
   8,141.60/12,218.72 = 3,759.52/x
3. Step 3: Cross multiply
   8,141.60x = 12,218.72 × 3,759.52
4. Step 4: Simplify right side
   8,141.60x = 45,936,522.21
5. Step 5: Solve for x
   x = 45,936,522.21/8,141.60
6. Step 6: Final answer
   x = 5,642.20