Finding the Fourth Proportional to 5,042.63, 6,952.56 and 3,978.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,042.63 : 6,952.56 = 3,978.29 : x
2. Step 2: Convert to fraction form
   5,042.63/6,952.56 = 3,978.29/x
3. Step 3: Cross multiply
   5,042.63x = 6,952.56 × 3,978.29
4. Step 4: Simplify right side
   5,042.63x = 27,659,299.92
5. Step 5: Solve for x
   x = 27,659,299.92/5,042.63
6. Step 6: Final answer
   x = 5,485.09