Finding the Fourth Proportional to 5,142.83, 7,097.06 and 2,784.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142.83 : 7,097.06 = 2,784.93 : x
2. Step 2: Convert to fraction form
   5,142.83/7,097.06 = 2,784.93/x
3. Step 3: Cross multiply
   5,142.83x = 7,097.06 × 2,784.93
4. Step 4: Simplify right side
   5,142.83x = 19,764,801.38
5. Step 5: Solve for x
   x = 19,764,801.38/5,142.83
6. Step 6: Final answer
   x = 3,843.18