Finding the Fourth Proportional to 2,574.89, 3,861.42 and 1,588.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.89 : 3,861.42 = 1,588.23 : x
2. Step 2: Convert to fraction form
   2,574.89/3,861.42 = 1,588.23/x
3. Step 3: Cross multiply
   2,574.89x = 3,861.42 × 1,588.23
4. Step 4: Simplify right side
   2,574.89x = 6,132,836.92
5. Step 5: Solve for x
   x = 6,132,836.92/2,574.89
6. Step 6: Final answer
   x = 2,381.79