Finding the Fourth Proportional to 1,300.98, 1,952.02 and 479.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.98 : 1,952.02 = 479.96 : x
2. Step 2: Convert to fraction form
   1,300.98/1,952.02 = 479.96/x
3. Step 3: Cross multiply
   1,300.98x = 1,952.02 × 479.96
4. Step 4: Simplify right side
   1,300.98x = 936,891.52
5. Step 5: Solve for x
   x = 936,891.52/1,300.98
6. Step 6: Final answer
   x = 720.14