Finding the Fourth Proportional to 2,492.56, 3,439.64 and 1,608.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,492.56 : 3,439.64 = 1,608.56 : x
2. Step 2: Convert to fraction form
   2,492.56/3,439.64 = 1,608.56/x
3. Step 3: Cross multiply
   2,492.56x = 3,439.64 × 1,608.56
4. Step 4: Simplify right side
   2,492.56x = 5,532,867.32
5. Step 5: Solve for x
   x = 5,532,867.32/2,492.56
6. Step 6: Final answer
   x = 2,219.75