Finding the Fourth Proportional to 2,181.45, 3,008.16 and 1,708.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.45 : 3,008.16 = 1,708.50 : x
2. Step 2: Convert to fraction form
   2,181.45/3,008.16 = 1,708.50/x
3. Step 3: Cross multiply
   2,181.45x = 3,008.16 × 1,708.50
4. Step 4: Simplify right side
   2,181.45x = 5,139,441.36
5. Step 5: Solve for x
   x = 5,139,441.36/2,181.45
6. Step 6: Final answer
   x = 2,355.97