Finding the Fourth Proportional to 5,301.15, 7,951.89 and 2,667.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,301.15 : 7,951.89 = 2,667.22 : x
2. Step 2: Convert to fraction form
   5,301.15/7,951.89 = 2,667.22/x
3. Step 3: Cross multiply
   5,301.15x = 7,951.89 × 2,667.22
4. Step 4: Simplify right side
   5,301.15x = 21,209,440.05
5. Step 5: Solve for x
   x = 21,209,440.05/5,301.15
6. Step 6: Final answer
   x = 4,000.91