Finding the Fourth Proportional to 4,480.84, 6,181.86 and 3,085.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,480.84 : 6,181.86 = 3,085.48 : x
2. Step 2: Convert to fraction form
   4,480.84/6,181.86 = 3,085.48/x
3. Step 3: Cross multiply
   4,480.84x = 6,181.86 × 3,085.48
4. Step 4: Simplify right side
   4,480.84x = 19,074,005.39
5. Step 5: Solve for x
   x = 19,074,005.39/4,480.84
6. Step 6: Final answer
   x = 4,256.79