Finding the Fourth Proportional to 1,485.79, 2,227.01 and 704.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.79 : 2,227.01 = 704.71 : x
2. Step 2: Convert to fraction form
   1,485.79/2,227.01 = 704.71/x
3. Step 3: Cross multiply
   1,485.79x = 2,227.01 × 704.71
4. Step 4: Simplify right side
   1,485.79x = 1,569,394.78
5. Step 5: Solve for x
   x = 1,569,394.78/1,485.79
6. Step 6: Final answer
   x = 1,056.27