Finding the Fourth Proportional to 2,535.23, 3,802.55 and 1,074.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535.23 : 3,802.55 = 1,074.20 : x
2. Step 2: Convert to fraction form
   2,535.23/3,802.55 = 1,074.20/x
3. Step 3: Cross multiply
   2,535.23x = 3,802.55 × 1,074.20
4. Step 4: Simplify right side
   2,535.23x = 4,084,674.83
5. Step 5: Solve for x
   x = 4,084,674.83/2,535.23
6. Step 6: Final answer
   x = 1,611.16