Finding the Fourth Proportional to 7,081.56, 10,618.70 and 3,182.64

Step by Step Solution

1. Step 1: Write the proportion equation
   7,081.56 : 10,618.70 = 3,182.64 : x
2. Step 2: Convert to fraction form
   7,081.56/10,618.70 = 3,182.64/x
3. Step 3: Cross multiply
   7,081.56x = 10,618.70 × 3,182.64
4. Step 4: Simplify right side
   7,081.56x = 33,795,499.37
5. Step 5: Solve for x
   x = 33,795,499.37/7,081.56
6. Step 6: Final answer
   x = 4,772.32