Finding the Fourth Proportional to 2,623.22, 3,931.62 and 1,234.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,623.22 : 3,931.62 = 1,234.71 : x
2. Step 2: Convert to fraction form
   2,623.22/3,931.62 = 1,234.71/x
3. Step 3: Cross multiply
   2,623.22x = 3,931.62 × 1,234.71
4. Step 4: Simplify right side
   2,623.22x = 4,854,412.85
5. Step 5: Solve for x
   x = 4,854,412.85/2,623.22
6. Step 6: Final answer
   x = 1,850.56