Finding the Fourth Proportional to 3,612.52, 4,988.82 and 3,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.52 : 4,988.82 = 3,085.48 : x
2. Step 2: Convert to fraction form
   3,612.52/4,988.82 = 3,085.48/x
3. Step 3: Cross multiply
   3,612.52x = 4,988.82 × 3,085.48
4. Step 4: Simplify right side
   3,612.52x = 15,392,904.33
5. Step 5: Solve for x
   x = 15,392,904.33/3,612.52
6. Step 6: Final answer
   x = 4,260.99