Finding the Fourth Proportional to 7,239.80, 10,858.59 and 2,796.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,239.80 : 10,858.59 = 2,796.83 : x
2. Step 2: Convert to fraction form
   7,239.80/10,858.59 = 2,796.83/x
3. Step 3: Cross multiply
   7,239.80x = 10,858.59 × 2,796.83
4. Step 4: Simplify right side
   7,239.80x = 30,369,630.27
5. Step 5: Solve for x
   x = 30,369,630.27/7,239.80
6. Step 6: Final answer
   x = 4,194.82