Finding the Fourth Proportional to 2,219.98, 3,329.13 and 758.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.98 : 3,329.13 = 758.86 : x
2. Step 2: Convert to fraction form
   2,219.98/3,329.13 = 758.86/x
3. Step 3: Cross multiply
   2,219.98x = 3,329.13 × 758.86
4. Step 4: Simplify right side
   2,219.98x = 2,526,343.59
5. Step 5: Solve for x
   x = 2,526,343.59/2,219.98
6. Step 6: Final answer
   x = 1,138.00