Finding the Fourth Proportional to 2,241.95, 3,362.72 and 780.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,241.95 : 3,362.72 = 780.89 : x
2. Step 2: Convert to fraction form
   2,241.95/3,362.72 = 780.89/x
3. Step 3: Cross multiply
   2,241.95x = 3,362.72 × 780.89
4. Step 4: Simplify right side
   2,241.95x = 2,625,893.70
5. Step 5: Solve for x
   x = 2,625,893.70/2,241.95
6. Step 6: Final answer
   x = 1,171.26