Finding the Fourth Proportional to 4,392.43, 6,061.56 and 2,820.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,392.43 : 6,061.56 = 2,820.52 : x
2. Step 2: Convert to fraction form
   4,392.43/6,061.56 = 2,820.52/x
3. Step 3: Cross multiply
   4,392.43x = 6,061.56 × 2,820.52
4. Step 4: Simplify right side
   4,392.43x = 17,096,751.21
5. Step 5: Solve for x
   x = 17,096,751.21/4,392.43
6. Step 6: Final answer
   x = 3,892.32