Finding the Fourth Proportional to 1,339.83, 2,017.53 and 995.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.83 : 2,017.53 = 995.63 : x
2. Step 2: Convert to fraction form
   1,339.83/2,017.53 = 995.63/x
3. Step 3: Cross multiply
   1,339.83x = 2,017.53 × 995.63
4. Step 4: Simplify right side
   1,339.83x = 2,008,703.31
5. Step 5: Solve for x
   x = 2,008,703.31/1,339.83
6. Step 6: Final answer
   x = 1,499.22