Finding the Fourth Proportional to 2,076.26, 3,113.17 and 777.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,076.26 : 3,113.17 = 777.83 : x
2. Step 2: Convert to fraction form
   2,076.26/3,113.17 = 777.83/x
3. Step 3: Cross multiply
   2,076.26x = 3,113.17 × 777.83
4. Step 4: Simplify right side
   2,076.26x = 2,421,499.51
5. Step 5: Solve for x
   x = 2,421,499.51/2,076.26
6. Step 6: Final answer
   x = 1,166.28