Finding the Fourth Proportional to 2,017.47, 3,002.89 and 1,972.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.47 : 3,002.89 = 1,972.11 : x
2. Step 2: Convert to fraction form
   2,017.47/3,002.89 = 1,972.11/x
3. Step 3: Cross multiply
   2,017.47x = 3,002.89 × 1,972.11
4. Step 4: Simplify right side
   2,017.47x = 5,922,029.40
5. Step 5: Solve for x
   x = 5,922,029.40/2,017.47
6. Step 6: Final answer
   x = 2,935.37