Finding the Fourth Proportional to 1,574.19, 2,362.41 and 1,055.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,574.19 : 2,362.41 = 1,055.18 : x
2. Step 2: Convert to fraction form
   1,574.19/2,362.41 = 1,055.18/x
3. Step 3: Cross multiply
   1,574.19x = 2,362.41 × 1,055.18
4. Step 4: Simplify right side
   1,574.19x = 2,492,767.78
5. Step 5: Solve for x
   x = 2,492,767.78/1,574.19
6. Step 6: Final answer
   x = 1,583.52