Finding the Fourth Proportional to 2,667.50, 4,000.52 and 1,107.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.50 : 4,000.52 = 1,107.95 : x
2. Step 2: Convert to fraction form
   2,667.50/4,000.52 = 1,107.95/x
3. Step 3: Cross multiply
   2,667.50x = 4,000.52 × 1,107.95
4. Step 4: Simplify right side
   2,667.50x = 4,432,358.90
5. Step 5: Solve for x
   x = 4,432,358.90/2,667.50
6. Step 6: Final answer
   x = 1,661.62