Finding the Fourth Proportional to 4,081.53, 6,112.58 and 3,150.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,081.53 : 6,112.58 = 3,150.30 : x
2. Step 2: Convert to fraction form
   4,081.53/6,112.58 = 3,150.30/x
3. Step 3: Cross multiply
   4,081.53x = 6,112.58 × 3,150.30
4. Step 4: Simplify right side
   4,081.53x = 19,256,445.02
5. Step 5: Solve for x
   x = 19,256,445.02/4,081.53
6. Step 6: Final answer
   x = 4,717.95