Finding the Fourth Proportional to 2,592.81, 3,870.99 and 2,574.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.81 : 3,870.99 = 2,574.59 : x
2. Step 2: Convert to fraction form
   2,592.81/3,870.99 = 2,574.59/x
3. Step 3: Cross multiply
   2,592.81x = 3,870.99 × 2,574.59
4. Step 4: Simplify right side
   2,592.81x = 9,966,192.79
5. Step 5: Solve for x
   x = 9,966,192.79/2,592.81
6. Step 6: Final answer
   x = 3,843.78