Finding the Fourth Proportional to 33,238.08, 49,866.54 and 13,530.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,238.08 : 49,866.54 = 13,530.78 : x
2. Step 2: Convert to fraction form
   33,238.08/49,866.54 = 13,530.78/x
3. Step 3: Cross multiply
   33,238.08x = 49,866.54 × 13,530.78
4. Step 4: Simplify right side
   33,238.08x = 674,733,182.10
5. Step 5: Solve for x
   x = 674,733,182.10/33,238.08
6. Step 6: Final answer
   x = 20,300.00