Finding the Fourth Proportional to 1,632.86, 2,449.72 and 708.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.86 : 2,449.72 = 708.21 : x
2. Step 2: Convert to fraction form
   1,632.86/2,449.72 = 708.21/x
3. Step 3: Cross multiply
   1,632.86x = 2,449.72 × 708.21
4. Step 4: Simplify right side
   1,632.86x = 1,734,914.43
5. Step 5: Solve for x
   x = 1,734,914.43/1,632.86
6. Step 6: Final answer
   x = 1,062.50