Finding the Fourth Proportional to 5,200.63, 7,176.89 and 2,842.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.63 : 7,176.89 = 2,842.76 : x
2. Step 2: Convert to fraction form
   5,200.63/7,176.89 = 2,842.76/x
3. Step 3: Cross multiply
   5,200.63x = 7,176.89 × 2,842.76
4. Step 4: Simplify right side
   5,200.63x = 20,402,175.82
5. Step 5: Solve for x
   x = 20,402,175.82/5,200.63
6. Step 6: Final answer
   x = 3,923.02