Finding the Fourth Proportional to 3,736.18, 5,155.50 and 2,143.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.18 : 5,155.50 = 2,143.25 : x
2. Step 2: Convert to fraction form
   3,736.18/5,155.50 = 2,143.25/x
3. Step 3: Cross multiply
   3,736.18x = 5,155.50 × 2,143.25
4. Step 4: Simplify right side
   3,736.18x = 11,049,525.38
5. Step 5: Solve for x
   x = 11,049,525.38/3,736.18
6. Step 6: Final answer
   x = 2,957.44