Finding the Fourth Proportional to 2,159.83, 3,240.01 and 773.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.83 : 3,240.01 = 773.31 : x
2. Step 2: Convert to fraction form
   2,159.83/3,240.01 = 773.31/x
3. Step 3: Cross multiply
   2,159.83x = 3,240.01 × 773.31
4. Step 4: Simplify right side
   2,159.83x = 2,505,528.27
5. Step 5: Solve for x
   x = 2,505,528.27/2,159.83
6. Step 6: Final answer
   x = 1,160.06