Finding the Fourth Proportional to 5,182.18, 7,771.59 and 1,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,182.18 : 7,771.59 = 1,718.50 : x
2. Step 2: Convert to fraction form
   5,182.18/7,771.59 = 1,718.50/x
3. Step 3: Cross multiply
   5,182.18x = 7,771.59 × 1,718.50
4. Step 4: Simplify right side
   5,182.18x = 13,355,477.42
5. Step 5: Solve for x
   x = 13,355,477.42/5,182.18
6. Step 6: Final answer
   x = 2,577.19