Finding the Fourth Proportional to 5,181.56, 7,150.02 and 3,085.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,181.56 : 7,150.02 = 3,085.32 : x
2. Step 2: Convert to fraction form
   5,181.56/7,150.02 = 3,085.32/x
3. Step 3: Cross multiply
   5,181.56x = 7,150.02 × 3,085.32
4. Step 4: Simplify right side
   5,181.56x = 22,060,099.71
5. Step 5: Solve for x
   x = 22,060,099.71/5,181.56
6. Step 6: Final answer
   x = 4,257.42