Finding the Fourth Proportional to 5,200.38, 7,803.78 and 2,736.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.38 : 7,803.78 = 2,736.96 : x
2. Step 2: Convert to fraction form
   5,200.38/7,803.78 = 2,736.96/x
3. Step 3: Cross multiply
   5,200.38x = 7,803.78 × 2,736.96
4. Step 4: Simplify right side
   5,200.38x = 21,358,633.71
5. Step 5: Solve for x
   x = 21,358,633.71/5,200.38
6. Step 6: Final answer
   x = 4,107.13