Finding the Fourth Proportional to 5,142.44, 7,096.57 and 2,784.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.44 : 7,096.57 = 2,784.58 : x
2. Step 2: Convert to fraction form
   5,142.44/7,096.57 = 2,784.58/x
3. Step 3: Cross multiply
   5,142.44x = 7,096.57 × 2,784.58
4. Step 4: Simplify right side
   5,142.44x = 19,760,966.89
5. Step 5: Solve for x
   x = 19,760,966.89/5,142.44
6. Step 6: Final answer
   x = 3,842.72