Finding the Fourth Proportional to 1,562.27, 2,157.71 and 1,064.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.27 : 2,157.71 = 1,064.05 : x
2. Step 2: Convert to fraction form
   1,562.27/2,157.71 = 1,064.05/x
3. Step 3: Cross multiply
   1,562.27x = 2,157.71 × 1,064.05
4. Step 4: Simplify right side
   1,562.27x = 2,295,895.22
5. Step 5: Solve for x
   x = 2,295,895.22/1,562.27
6. Step 6: Final answer
   x = 1,469.59