Finding the Fourth Proportional to 2,185.04, 3,275.50 and 1,015.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.04 : 3,275.50 = 1,015.16 : x
2. Step 2: Convert to fraction form
   2,185.04/3,275.50 = 1,015.16/x
3. Step 3: Cross multiply
   2,185.04x = 3,275.50 × 1,015.16
4. Step 4: Simplify right side
   2,185.04x = 3,325,156.58
5. Step 5: Solve for x
   x = 3,325,156.58/2,185.04
6. Step 6: Final answer
   x = 1,521.78