Finding the Fourth Proportional to 2,219.76, 3,328.56 and 758.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.76 : 3,328.56 = 758.52 : x
2. Step 2: Convert to fraction form
   2,219.76/3,328.56 = 758.52/x
3. Step 3: Cross multiply
   2,219.76x = 3,328.56 × 758.52
4. Step 4: Simplify right side
   2,219.76x = 2,524,779.33
5. Step 5: Solve for x
   x = 2,524,779.33/2,219.76
6. Step 6: Final answer
   x = 1,137.41