Finding the Fourth Proportional to 2,164.72, 2,987.24 and 1,233.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.72 : 2,987.24 = 1,233.04 : x
2. Step 2: Convert to fraction form
   2,164.72/2,987.24 = 1,233.04/x
3. Step 3: Cross multiply
   2,164.72x = 2,987.24 × 1,233.04
4. Step 4: Simplify right side
   2,164.72x = 3,683,386.41
5. Step 5: Solve for x
   x = 3,683,386.41/2,164.72
6. Step 6: Final answer
   x = 1,701.55