Finding the Fourth Proportional to 2,081.43, 3,124.29 and 1,624.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.43 : 3,124.29 = 1,624.22 : x
2. Step 2: Convert to fraction form
   2,081.43/3,124.29 = 1,624.22/x
3. Step 3: Cross multiply
   2,081.43x = 3,124.29 × 1,624.22
4. Step 4: Simplify right side
   2,081.43x = 5,074,518.68
5. Step 5: Solve for x
   x = 5,074,518.68/2,081.43
6. Step 6: Final answer
   x = 2,438.00