Finding the Fourth Proportional to 3,428.79, 5,152.56 and 2,042.43

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.79 : 5,152.56 = 2,042.43 : x
2. Step 2: Convert to fraction form
   3,428.79/5,152.56 = 2,042.43/x
3. Step 3: Cross multiply
   3,428.79x = 5,152.56 × 2,042.43
4. Step 4: Simplify right side
   3,428.79x = 10,523,743.12
5. Step 5: Solve for x
   x = 10,523,743.12/3,428.79
6. Step 6: Final answer
   x = 3,069.23