Finding the Fourth Proportional to 2,165.38, 3,248.55 and 1,010.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165.38 : 3,248.55 = 1,010.50 : x
2. Step 2: Convert to fraction form
   2,165.38/3,248.55 = 1,010.50/x
3. Step 3: Cross multiply
   2,165.38x = 3,248.55 × 1,010.50
4. Step 4: Simplify right side
   2,165.38x = 3,282,659.78
5. Step 5: Solve for x
   x = 3,282,659.78/2,165.38
6. Step 6: Final answer
   x = 1,515.97