Finding the Fourth Proportional to 2,219.82, 3,327.50 and 757.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.82 : 3,327.50 = 757.98 : x
2. Step 2: Convert to fraction form
   2,219.82/3,327.50 = 757.98/x
3. Step 3: Cross multiply
   2,219.82x = 3,327.50 × 757.98
4. Step 4: Simplify right side
   2,219.82x = 2,522,174.66
5. Step 5: Solve for x
   x = 2,522,174.66/2,219.82
6. Step 6: Final answer
   x = 1,136.21