Finding the Fourth Proportional to 1,667.55, 2,501.38 and 693.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.55 : 2,501.38 = 693.73 : x
2. Step 2: Convert to fraction form
   1,667.55/2,501.38 = 693.73/x
3. Step 3: Cross multiply
   1,667.55x = 2,501.38 × 693.73
4. Step 4: Simplify right side
   1,667.55x = 1,735,286.34
5. Step 5: Solve for x
   x = 1,735,286.34/1,667.55
6. Step 6: Final answer
   x = 1,040.62