Finding the Fourth Proportional to 33,189.99, 49,733.15 and 28,239.27

Step by Step Solution

1. Step 1: Write the proportion equation
   33,189.99 : 49,733.15 = 28,239.27 : x
2. Step 2: Convert to fraction form
   33,189.99/49,733.15 = 28,239.27/x
3. Step 3: Cross multiply
   33,189.99x = 49,733.15 × 28,239.27
4. Step 4: Simplify right side
   33,189.99x = 1,404,427,709.60
5. Step 5: Solve for x
   x = 1,404,427,709.60/33,189.99
6. Step 6: Final answer
   x = 42,314.80