Finding the Fourth Proportional to 2,765.69, 4,142.83 and 2,331.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,765.69 : 4,142.83 = 2,331.47 : x
2. Step 2: Convert to fraction form
   2,765.69/4,142.83 = 2,331.47/x
3. Step 3: Cross multiply
   2,765.69x = 4,142.83 × 2,331.47
4. Step 4: Simplify right side
   2,765.69x = 9,658,892.76
5. Step 5: Solve for x
   x = 9,658,892.76/2,765.69
6. Step 6: Final answer
   x = 3,492.40