Finding the Fourth Proportional to 2,993.61, 4,131.71 and 1,815.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.61 : 4,131.71 = 1,815.27 : x
2. Step 2: Convert to fraction form
   2,993.61/4,131.71 = 1,815.27/x
3. Step 3: Cross multiply
   2,993.61x = 4,131.71 × 1,815.27
4. Step 4: Simplify right side
   2,993.61x = 7,500,169.21
5. Step 5: Solve for x
   x = 7,500,169.21/2,993.61
6. Step 6: Final answer
   x = 2,505.39