Finding the Fourth Proportional to 1,203.98, 1,661.33 and 706.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,203.98 : 1,661.33 = 706.52 : x
2. Step 2: Convert to fraction form
   1,203.98/1,661.33 = 706.52/x
3. Step 3: Cross multiply
   1,203.98x = 1,661.33 × 706.52
4. Step 4: Simplify right side
   1,203.98x = 1,173,751.03
5. Step 5: Solve for x
   x = 1,173,751.03/1,203.98
6. Step 6: Final answer
   x = 974.90