Finding the Fourth Proportional to 2,219.06, 3,328.89 and 757.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.06 : 3,328.89 = 757.82 : x
2. Step 2: Convert to fraction form
   2,219.06/3,328.89 = 757.82/x
3. Step 3: Cross multiply
   2,219.06x = 3,328.89 × 757.82
4. Step 4: Simplify right side
   2,219.06x = 2,522,678.99
5. Step 5: Solve for x
   x = 2,522,678.99/2,219.06
6. Step 6: Final answer
   x = 1,136.83