Finding the Fourth Proportional to 4,921.02, 6,798.72 and 4,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,921.02 : 6,798.72 = 4,182.72 : x
2. Step 2: Convert to fraction form
   4,921.02/6,798.72 = 4,182.72/x
3. Step 3: Cross multiply
   4,921.02x = 6,798.72 × 4,182.72
4. Step 4: Simplify right side
   4,921.02x = 28,437,142.12
5. Step 5: Solve for x
   x = 28,437,142.12/4,921.02
6. Step 6: Final answer
   x = 5,778.71