Finding the Fourth Proportional to 2,755.48, 4,131.18 and 1,437.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,755.48 : 4,131.18 = 1,437.88 : x
2. Step 2: Convert to fraction form
   2,755.48/4,131.18 = 1,437.88/x
3. Step 3: Cross multiply
   2,755.48x = 4,131.18 × 1,437.88
4. Step 4: Simplify right side
   2,755.48x = 5,940,141.10
5. Step 5: Solve for x
   x = 5,940,141.10/2,755.48
6. Step 6: Final answer
   x = 2,155.76