Finding the Fourth Proportional to 5,272.56, 7,908.15 and 1,377.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,272.56 : 7,908.15 = 1,377.27 : x
2. Step 2: Convert to fraction form
   5,272.56/7,908.15 = 1,377.27/x
3. Step 3: Cross multiply
   5,272.56x = 7,908.15 × 1,377.27
4. Step 4: Simplify right side
   5,272.56x = 10,891,657.75
5. Step 5: Solve for x
   x = 10,891,657.75/5,272.56
6. Step 6: Final answer
   x = 2,065.72