Finding the Fourth Proportional to 2,995.74, 4,493.52 and 2,815.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,995.74 : 4,493.52 = 2,815.38 : x
2. Step 2: Convert to fraction form
   2,995.74/4,493.52 = 2,815.38/x
3. Step 3: Cross multiply
   2,995.74x = 4,493.52 × 2,815.38
4. Step 4: Simplify right side
   2,995.74x = 12,650,966.34
5. Step 5: Solve for x
   x = 12,650,966.34/2,995.74
6. Step 6: Final answer
   x = 4,222.99