Finding the Fourth Proportional to 2,241.61, 3,360.25 and 779.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,241.61 : 3,360.25 = 779.83 : x
2. Step 2: Convert to fraction form
   2,241.61/3,360.25 = 779.83/x
3. Step 3: Cross multiply
   2,241.61x = 3,360.25 × 779.83
4. Step 4: Simplify right side
   2,241.61x = 2,620,423.76
5. Step 5: Solve for x
   x = 2,620,423.76/2,241.61
6. Step 6: Final answer
   x = 1,168.99