Finding the Fourth Proportional to 138,829.82, 208,244.72 and 33,648.79

Step by Step Solution

1. Step 1: Write the proportion equation
   138,829.82 : 208,244.72 = 33,648.79 : x
2. Step 2: Convert to fraction form
   138,829.82/208,244.72 = 33,648.79/x
3. Step 3: Cross multiply
   138,829.82x = 208,244.72 × 33,648.79
4. Step 4: Simplify right side
   138,829.82x = 7,007,182,851.89
5. Step 5: Solve for x
   x = 7,007,182,851.89/138,829.82
6. Step 6: Final answer
   x = 50,473.18