Finding the Fourth Proportional to 1,667.94, 2,502.90 and 743.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.94 : 2,502.90 = 743.55 : x
2. Step 2: Convert to fraction form
   1,667.94/2,502.90 = 743.55/x
3. Step 3: Cross multiply
   1,667.94x = 2,502.90 × 743.55
4. Step 4: Simplify right side
   1,667.94x = 1,861,031.30
5. Step 5: Solve for x
   x = 1,861,031.30/1,667.94
6. Step 6: Final answer
   x = 1,115.77