Finding the Fourth Proportional to 2,172.48, 2,997.81 and 1,333.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.48 : 2,997.81 = 1,333.32 : x
2. Step 2: Convert to fraction form
   2,172.48/2,997.81 = 1,333.32/x
3. Step 3: Cross multiply
   2,172.48x = 2,997.81 × 1,333.32
4. Step 4: Simplify right side
   2,172.48x = 3,997,040.03
5. Step 5: Solve for x
   x = 3,997,040.03/2,172.48
6. Step 6: Final answer
   x = 1,839.85