Finding the Fourth Proportional to 2,990.24, 4,488.56 and 1,694.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990.24 : 4,488.56 = 1,694.24 : x
2. Step 2: Convert to fraction form
   2,990.24/4,488.56 = 1,694.24/x
3. Step 3: Cross multiply
   2,990.24x = 4,488.56 × 1,694.24
4. Step 4: Simplify right side
   2,990.24x = 7,604,697.89
5. Step 5: Solve for x
   x = 7,604,697.89/2,990.24
6. Step 6: Final answer
   x = 2,543.17