Finding the Fourth Proportional to 5,196.83, 7,781.38 and 2,726.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.83 : 7,781.38 = 2,726.48 : x
2. Step 2: Convert to fraction form
   5,196.83/7,781.38 = 2,726.48/x
3. Step 3: Cross multiply
   5,196.83x = 7,781.38 × 2,726.48
4. Step 4: Simplify right side
   5,196.83x = 21,215,789.58
5. Step 5: Solve for x
   x = 21,215,789.58/5,196.83
6. Step 6: Final answer
   x = 4,082.45