Finding the Fourth Proportional to 1,550.37, 2,142.86 and 1,372.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.37 : 2,142.86 = 1,372.08 : x
2. Step 2: Convert to fraction form
   1,550.37/2,142.86 = 1,372.08/x
3. Step 3: Cross multiply
   1,550.37x = 2,142.86 × 1,372.08
4. Step 4: Simplify right side
   1,550.37x = 2,940,168.49
5. Step 5: Solve for x
   x = 2,940,168.49/1,550.37
6. Step 6: Final answer
   x = 1,896.43