Finding the Fourth Proportional to 1,485.92, 2,050.80 and 1,067.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.92 : 2,050.80 = 1,067.36 : x
2. Step 2: Convert to fraction form
   1,485.92/2,050.80 = 1,067.36/x
3. Step 3: Cross multiply
   1,485.92x = 2,050.80 × 1,067.36
4. Step 4: Simplify right side
   1,485.92x = 2,188,941.89
5. Step 5: Solve for x
   x = 2,188,941.89/1,485.92
6. Step 6: Final answer
   x = 1,473.12