Finding the Fourth Proportional to 4,196.79, 6,292.74 and 1,422.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,196.79 : 6,292.74 = 1,422.72 : x
2. Step 2: Convert to fraction form
   4,196.79/6,292.74 = 1,422.72/x
3. Step 3: Cross multiply
   4,196.79x = 6,292.74 × 1,422.72
4. Step 4: Simplify right side
   4,196.79x = 8,952,807.05
5. Step 5: Solve for x
   x = 8,952,807.05/4,196.79
6. Step 6: Final answer
   x = 2,133.25