Finding the Fourth Proportional to 1,550.97, 2,140.52 and 887.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.97 : 2,140.52 = 887.94 : x
2. Step 2: Convert to fraction form
   1,550.97/2,140.52 = 887.94/x
3. Step 3: Cross multiply
   1,550.97x = 2,140.52 × 887.94
4. Step 4: Simplify right side
   1,550.97x = 1,900,648.89
5. Step 5: Solve for x
   x = 1,900,648.89/1,550.97
6. Step 6: Final answer
   x = 1,225.46