Finding the Fourth Proportional to 2,140.50, 2,952.27 and 1,478.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140.50 : 2,952.27 = 1,478.46 : x
2. Step 2: Convert to fraction form
   2,140.50/2,952.27 = 1,478.46/x
3. Step 3: Cross multiply
   2,140.50x = 2,952.27 × 1,478.46
4. Step 4: Simplify right side
   2,140.50x = 4,364,813.10
5. Step 5: Solve for x
   x = 4,364,813.10/2,140.50
6. Step 6: Final answer
   x = 2,039.16