Finding the Fourth Proportional to 1,667.75, 2,498.38 and 896.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.75 : 2,498.38 = 896.63 : x
2. Step 2: Convert to fraction form
   1,667.75/2,498.38 = 896.63/x
3. Step 3: Cross multiply
   1,667.75x = 2,498.38 × 896.63
4. Step 4: Simplify right side
   1,667.75x = 2,240,107.73
5. Step 5: Solve for x
   x = 2,240,107.73/1,667.75
6. Step 6: Final answer
   x = 1,343.20