Finding the Fourth Proportional to 4,929.72, 7,393.46 and 1,419.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,929.72 : 7,393.46 = 1,419.72 : x
2. Step 2: Convert to fraction form
   4,929.72/7,393.46 = 1,419.72/x
3. Step 3: Cross multiply
   4,929.72x = 7,393.46 × 1,419.72
4. Step 4: Simplify right side
   4,929.72x = 10,496,643.03
5. Step 5: Solve for x
   x = 10,496,643.03/4,929.72
6. Step 6: Final answer
   x = 2,129.26