Finding the Fourth Proportional to 12,837.22, 19,250.83 and 3,949.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,837.22 : 19,250.83 = 3,949.90 : x
2. Step 2: Convert to fraction form
   12,837.22/19,250.83 = 3,949.90/x
3. Step 3: Cross multiply
   12,837.22x = 19,250.83 × 3,949.90
4. Step 4: Simplify right side
   12,837.22x = 76,038,853.42
5. Step 5: Solve for x
   x = 76,038,853.42/12,837.22
6. Step 6: Final answer
   x = 5,923.31