Finding the Fourth Proportional to 2,983.47, 4,473.77 and 1,317.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,983.47 : 4,473.77 = 1,317.39 : x
2. Step 2: Convert to fraction form
   2,983.47/4,473.77 = 1,317.39/x
3. Step 3: Cross multiply
   2,983.47x = 4,473.77 × 1,317.39
4. Step 4: Simplify right side
   2,983.47x = 5,893,693.27
5. Step 5: Solve for x
   x = 5,893,693.27/2,983.47
6. Step 6: Final answer
   x = 1,975.45