Finding the Fourth Proportional to 2,165.52, 2,987.60 and 1,233.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.52 : 2,987.60 = 1,233.52 : x
2. Step 2: Convert to fraction form
   2,165.52/2,987.60 = 1,233.52/x
3. Step 3: Cross multiply
   2,165.52x = 2,987.60 × 1,233.52
4. Step 4: Simplify right side
   2,165.52x = 3,685,264.35
5. Step 5: Solve for x
   x = 3,685,264.35/2,165.52
6. Step 6: Final answer
   x = 1,701.79