Finding the Fourth Proportional to 1,667.89, 2,301.72 and 969.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.89 : 2,301.72 = 969.27 : x
2. Step 2: Convert to fraction form
   1,667.89/2,301.72 = 969.27/x
3. Step 3: Cross multiply
   1,667.89x = 2,301.72 × 969.27
4. Step 4: Simplify right side
   1,667.89x = 2,230,971.79
5. Step 5: Solve for x
   x = 2,230,971.79/1,667.89
6. Step 6: Final answer
   x = 1,337.60