Finding the Fourth Proportional to 4,928.96, 7,393.42 and 1,642.04

Step by Step Solution

1. Step 1: Write the proportion equation
   4,928.96 : 7,393.42 = 1,642.04 : x
2. Step 2: Convert to fraction form
   4,928.96/7,393.42 = 1,642.04/x
3. Step 3: Cross multiply
   4,928.96x = 7,393.42 × 1,642.04
4. Step 4: Simplify right side
   4,928.96x = 12,140,291.38
5. Step 5: Solve for x
   x = 12,140,291.38/4,928.96
6. Step 6: Final answer
   x = 2,463.05