Finding the Fourth Proportional to 2,288.34, 3,156.23 and 1,728.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.34 : 3,156.23 = 1,728.83 : x
2. Step 2: Convert to fraction form
   2,288.34/3,156.23 = 1,728.83/x
3. Step 3: Cross multiply
   2,288.34x = 3,156.23 × 1,728.83
4. Step 4: Simplify right side
   2,288.34x = 5,456,597.32
5. Step 5: Solve for x
   x = 5,456,597.32/2,288.34
6. Step 6: Final answer
   x = 2,384.52