Finding the Fourth Proportional to 1,478.04, 2,039.52 and 888.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478.04 : 2,039.52 = 888.48 : x
2. Step 2: Convert to fraction form
   1,478.04/2,039.52 = 888.48/x
3. Step 3: Cross multiply
   1,478.04x = 2,039.52 × 888.48
4. Step 4: Simplify right side
   1,478.04x = 1,812,072.73
5. Step 5: Solve for x
   x = 1,812,072.73/1,478.04
6. Step 6: Final answer
   x = 1,226.00