Finding the Fourth Proportional to 2,162.52, 2,985.66 and 1,335

Step by Step Solution

1. Step 1: Write the proportion equation
   2,162.52 : 2,985.66 = 1,335 : x
2. Step 2: Convert to fraction form
   2,162.52/2,985.66 = 1,335/x
3. Step 3: Cross multiply
   2,162.52x = 2,985.66 × 1,335
4. Step 4: Simplify right side
   2,162.52x = 3,985,856.10
5. Step 5: Solve for x
   x = 3,985,856.10/2,162.52
6. Step 6: Final answer
   x = 1,843.15