Finding the Fourth Proportional to 5,182.70, 7,770.62 and 3,617.62

Step by Step Solution

1. Step 1: Write the proportion equation
   5,182.70 : 7,770.62 = 3,617.62 : x
2. Step 2: Convert to fraction form
   5,182.70/7,770.62 = 3,617.62/x
3. Step 3: Cross multiply
   5,182.70x = 7,770.62 × 3,617.62
4. Step 4: Simplify right side
   5,182.70x = 28,111,150.32
5. Step 5: Solve for x
   x = 28,111,150.32/5,182.70
6. Step 6: Final answer
   x = 5,424.04