Finding the Fourth Proportional to 2,617.83, 3,927.42 and 769.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.83 : 3,927.42 = 769.01 : x
2. Step 2: Convert to fraction form
   2,617.83/3,927.42 = 769.01/x
3. Step 3: Cross multiply
   2,617.83x = 3,927.42 × 769.01
4. Step 4: Simplify right side
   2,617.83x = 3,020,205.62
5. Step 5: Solve for x
   x = 3,020,205.62/2,617.83
6. Step 6: Final answer
   x = 1,153.71