Finding the Fourth Proportional to 5,154.72, 7,113.56 and 2,796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,154.72 : 7,113.56 = 2,796.88 : x
2. Step 2: Convert to fraction form
   5,154.72/7,113.56 = 2,796.88/x
3. Step 3: Cross multiply
   5,154.72x = 7,113.56 × 2,796.88
4. Step 4: Simplify right side
   5,154.72x = 19,895,773.69
5. Step 5: Solve for x
   x = 19,895,773.69/5,154.72
6. Step 6: Final answer
   x = 3,859.72