Finding the Fourth Proportional to 2,383.02, 3,575.55 and 1,288.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,383.02 : 3,575.55 = 1,288.15 : x
2. Step 2: Convert to fraction form
   2,383.02/3,575.55 = 1,288.15/x
3. Step 3: Cross multiply
   2,383.02x = 3,575.55 × 1,288.15
4. Step 4: Simplify right side
   2,383.02x = 4,605,835.79
5. Step 5: Solve for x
   x = 4,605,835.79/2,383.02
6. Step 6: Final answer
   x = 1,932.77