Finding the Fourth Proportional to 2,172.99, 2,997.91 and 1,333.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.99 : 2,997.91 = 1,333.02 : x
2. Step 2: Convert to fraction form
   2,172.99/2,997.91 = 1,333.02/x
3. Step 3: Cross multiply
   2,172.99x = 2,997.91 × 1,333.02
4. Step 4: Simplify right side
   2,172.99x = 3,996,286.90
5. Step 5: Solve for x
   x = 3,996,286.90/2,172.99
6. Step 6: Final answer
   x = 1,839.07