Finding the Fourth Proportional to 2,288.27, 3,152.78 and 1,615.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.27 : 3,152.78 = 1,615.77 : x
2. Step 2: Convert to fraction form
   2,288.27/3,152.78 = 1,615.77/x
3. Step 3: Cross multiply
   2,288.27x = 3,152.78 × 1,615.77
4. Step 4: Simplify right side
   2,288.27x = 5,094,167.34
5. Step 5: Solve for x
   x = 5,094,167.34/2,288.27
6. Step 6: Final answer
   x = 2,226.21