Finding the Fourth Proportional to 2,219.76, 3,061.68 and 1,694.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.76 : 3,061.68 = 1,694.88 : x
2. Step 2: Convert to fraction form
   2,219.76/3,061.68 = 1,694.88/x
3. Step 3: Cross multiply
   2,219.76x = 3,061.68 × 1,694.88
4. Step 4: Simplify right side
   2,219.76x = 5,189,180.20
5. Step 5: Solve for x
   x = 5,189,180.20/2,219.76
6. Step 6: Final answer
   x = 2,337.72