Finding the Fourth Proportional to 1,055.04, 1,464.72 and 1,023.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.04 : 1,464.72 = 1,023.36 : x
2. Step 2: Convert to fraction form
   1,055.04/1,464.72 = 1,023.36/x
3. Step 3: Cross multiply
   1,055.04x = 1,464.72 × 1,023.36
4. Step 4: Simplify right side
   1,055.04x = 1,498,935.86
5. Step 5: Solve for x
   x = 1,498,935.86/1,055.04
6. Step 6: Final answer
   x = 1,420.74