Finding the Fourth Proportional to 33,291.90, 49,873.05 and 20,105.10

Step by Step Solution

1. Step 1: Write the proportion equation
   33,291.90 : 49,873.05 = 20,105.10 : x
2. Step 2: Convert to fraction form
   33,291.90/49,873.05 = 20,105.10/x
3. Step 3: Cross multiply
   33,291.90x = 49,873.05 × 20,105.10
4. Step 4: Simplify right side
   33,291.90x = 1,002,702,657.56
5. Step 5: Solve for x
   x = 1,002,702,657.56/33,291.90
6. Step 6: Final answer
   x = 30,118.52