Finding the Fourth Proportional to 2,073.82, 3,111.54 and 775.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.82 : 3,111.54 = 775.39 : x
2. Step 2: Convert to fraction form
   2,073.82/3,111.54 = 775.39/x
3. Step 3: Cross multiply
   2,073.82x = 3,111.54 × 775.39
4. Step 4: Simplify right side
   2,073.82x = 2,412,657.00
5. Step 5: Solve for x
   x = 2,412,657.00/2,073.82
6. Step 6: Final answer
   x = 1,163.39