Finding the Fourth Proportional to 5,142.23, 7,096.33 and 2,784.43

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.23 : 7,096.33 = 2,784.43 : x
2. Step 2: Convert to fraction form
   5,142.23/7,096.33 = 2,784.43/x
3. Step 3: Cross multiply
   5,142.23x = 7,096.33 × 2,784.43
4. Step 4: Simplify right side
   5,142.23x = 19,759,214.41
5. Step 5: Solve for x
   x = 19,759,214.41/5,142.23
6. Step 6: Final answer
   x = 3,842.53