Finding the Fourth Proportional to 2,667.50, 4,001.87 and 912.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.50 : 4,001.87 = 912.52 : x
2. Step 2: Convert to fraction form
   2,667.50/4,001.87 = 912.52/x
3. Step 3: Cross multiply
   2,667.50x = 4,001.87 × 912.52
4. Step 4: Simplify right side
   2,667.50x = 3,651,778.69
5. Step 5: Solve for x
   x = 3,651,778.69/2,667.50
6. Step 6: Final answer
   x = 1,368.99