Finding the Fourth Proportional to 5,109.56, 7,657.50 and 2,732.76

Step by Step Solution

1. Step 1: Write the proportion equation
   5,109.56 : 7,657.50 = 2,732.76 : x
2. Step 2: Convert to fraction form
   5,109.56/7,657.50 = 2,732.76/x
3. Step 3: Cross multiply
   5,109.56x = 7,657.50 × 2,732.76
4. Step 4: Simplify right side
   5,109.56x = 20,926,109.70
5. Step 5: Solve for x
   x = 20,926,109.70/5,109.56
6. Step 6: Final answer
   x = 4,095.49