Finding the Fourth Proportional to 33,066.24, 49,547.52 and 28,115.52

Step by Step Solution

1. Step 1: Write the proportion equation
   33,066.24 : 49,547.52 = 28,115.52 : x
2. Step 2: Convert to fraction form
   33,066.24/49,547.52 = 28,115.52/x
3. Step 3: Cross multiply
   33,066.24x = 49,547.52 × 28,115.52
4. Step 4: Simplify right side
   33,066.24x = 1,393,054,289.51
5. Step 5: Solve for x
   x = 1,393,054,289.51/33,066.24
6. Step 6: Final answer
   x = 42,129.20