Finding the Fourth Proportional to 2,242.23, 3,364.33 and 782.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.23 : 3,364.33 = 782.43 : x
2. Step 2: Convert to fraction form
   2,242.23/3,364.33 = 782.43/x
3. Step 3: Cross multiply
   2,242.23x = 3,364.33 × 782.43
4. Step 4: Simplify right side
   2,242.23x = 2,632,352.72
5. Step 5: Solve for x
   x = 2,632,352.72/2,242.23
6. Step 6: Final answer
   x = 1,173.99