Finding the Fourth Proportional to 1,667.62, 2,502.51 and 743.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.62 : 2,502.51 = 743.74 : x
2. Step 2: Convert to fraction form
   1,667.62/2,502.51 = 743.74/x
3. Step 3: Cross multiply
   1,667.62x = 2,502.51 × 743.74
4. Step 4: Simplify right side
   1,667.62x = 1,861,216.79
5. Step 5: Solve for x
   x = 1,861,216.79/1,667.62
6. Step 6: Final answer
   x = 1,116.09