Finding the Fourth Proportional to 2,866.72, 4,292.82 and 2,403.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,866.72 : 4,292.82 = 2,403.28 : x
2. Step 2: Convert to fraction form
   2,866.72/4,292.82 = 2,403.28/x
3. Step 3: Cross multiply
   2,866.72x = 4,292.82 × 2,403.28
4. Step 4: Simplify right side
   2,866.72x = 10,316,848.45
5. Step 5: Solve for x
   x = 10,316,848.45/2,866.72
6. Step 6: Final answer
   x = 3,598.83