Finding the Fourth Proportional to 2,089.50, 3,144.74 and 1,572.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.50 : 3,144.74 = 1,572.18 : x
2. Step 2: Convert to fraction form
   2,089.50/3,144.74 = 1,572.18/x
3. Step 3: Cross multiply
   2,089.50x = 3,144.74 × 1,572.18
4. Step 4: Simplify right side
   2,089.50x = 4,944,097.33
5. Step 5: Solve for x
   x = 4,944,097.33/2,089.50
6. Step 6: Final answer
   x = 2,366.16