Finding the Fourth Proportional to 1,667.01, 2,498.85 and 1,117.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.01 : 2,498.85 = 1,117.94 : x
2. Step 2: Convert to fraction form
   1,667.01/2,498.85 = 1,117.94/x
3. Step 3: Cross multiply
   1,667.01x = 2,498.85 × 1,117.94
4. Step 4: Simplify right side
   1,667.01x = 2,793,551.87
5. Step 5: Solve for x
   x = 2,793,551.87/1,667.01
6. Step 6: Final answer
   x = 1,675.78