Finding the Fourth Proportional to 1,004.23, 1,498.87 and 979.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.23 : 1,498.87 = 979.63 : x
2. Step 2: Convert to fraction form
   1,004.23/1,498.87 = 979.63/x
3. Step 3: Cross multiply
   1,004.23x = 1,498.87 × 979.63
4. Step 4: Simplify right side
   1,004.23x = 1,468,335.50
5. Step 5: Solve for x
   x = 1,468,335.50/1,004.23
6. Step 6: Final answer
   x = 1,462.15