Finding the Fourth Proportional to 5,181.80, 7,150.56 and 3,085.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,181.80 : 7,150.56 = 3,085.52 : x
2. Step 2: Convert to fraction form
   5,181.80/7,150.56 = 3,085.52/x
3. Step 3: Cross multiply
   5,181.80x = 7,150.56 × 3,085.52
4. Step 4: Simplify right side
   5,181.80x = 22,063,195.89
5. Step 5: Solve for x
   x = 22,063,195.89/5,181.80
6. Step 6: Final answer
   x = 4,257.82