Finding the Fourth Proportional to 1,630.32, 2,443.77 and 979.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630.32 : 2,443.77 = 979.08 : x
2. Step 2: Convert to fraction form
   1,630.32/2,443.77 = 979.08/x
3. Step 3: Cross multiply
   1,630.32x = 2,443.77 × 979.08
4. Step 4: Simplify right side
   1,630.32x = 2,392,646.33
5. Step 5: Solve for x
   x = 2,392,646.33/1,630.32
6. Step 6: Final answer
   x = 1,467.59