Finding the Fourth Proportional to 1,667.06, 2,498.99 and 833.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.06 : 2,498.99 = 833.57 : x
2. Step 2: Convert to fraction form
   1,667.06/2,498.99 = 833.57/x
3. Step 3: Cross multiply
   1,667.06x = 2,498.99 × 833.57
4. Step 4: Simplify right side
   1,667.06x = 2,083,083.09
5. Step 5: Solve for x
   x = 2,083,083.09/1,667.06
6. Step 6: Final answer
   x = 1,249.55