Finding the Fourth Proportional to 1,667.98, 2,502.51 and 694.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.98 : 2,502.51 = 694.18 : x
2. Step 2: Convert to fraction form
   1,667.98/2,502.51 = 694.18/x
3. Step 3: Cross multiply
   1,667.98x = 2,502.51 × 694.18
4. Step 4: Simplify right side
   1,667.98x = 1,737,192.39
5. Step 5: Solve for x
   x = 1,737,192.39/1,667.98
6. Step 6: Final answer
   x = 1,041.49