Finding the Fourth Proportional to 1,796.50, 2,479.12 and 999.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,796.50 : 2,479.12 = 999.83 : x
2. Step 2: Convert to fraction form
   1,796.50/2,479.12 = 999.83/x
3. Step 3: Cross multiply
   1,796.50x = 2,479.12 × 999.83
4. Step 4: Simplify right side
   1,796.50x = 2,478,698.55
5. Step 5: Solve for x
   x = 2,478,698.55/1,796.50
6. Step 6: Final answer
   x = 1,379.74