Finding the Fourth Proportional to 2,354.18, 3,531.39 and 622.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.18 : 3,531.39 = 622.82 : x
2. Step 2: Convert to fraction form
   2,354.18/3,531.39 = 622.82/x
3. Step 3: Cross multiply
   2,354.18x = 3,531.39 × 622.82
4. Step 4: Simplify right side
   2,354.18x = 2,199,420.32
5. Step 5: Solve for x
   x = 2,199,420.32/2,354.18
6. Step 6: Final answer
   x = 934.26