Finding the Fourth Proportional to 2,223.82, 3,333.50 and 761.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,223.82 : 3,333.50 = 761.97 : x
2. Step 2: Convert to fraction form
   2,223.82/3,333.50 = 761.97/x
3. Step 3: Cross multiply
   2,223.82x = 3,333.50 × 761.97
4. Step 4: Simplify right side
   2,223.82x = 2,540,027.00
5. Step 5: Solve for x
   x = 2,540,027.00/2,223.82
6. Step 6: Final answer
   x = 1,142.19