Finding the Fourth Proportional to 2,354.46, 3,531.90 and 623.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.46 : 3,531.90 = 623.10 : x
2. Step 2: Convert to fraction form
   2,354.46/3,531.90 = 623.10/x
3. Step 3: Cross multiply
   2,354.46x = 3,531.90 × 623.10
4. Step 4: Simplify right side
   2,354.46x = 2,200,726.89
5. Step 5: Solve for x
   x = 2,200,726.89/2,354.46
6. Step 6: Final answer
   x = 934.71