Finding the Fourth Proportional to 138,830.27, 208,243.56 and 33,650.15

Step by Step Solution

1. Step 1: Write the proportion equation
   138,830.27 : 208,243.56 = 33,650.15 : x
2. Step 2: Convert to fraction form
   138,830.27/208,243.56 = 33,650.15/x
3. Step 3: Cross multiply
   138,830.27x = 208,243.56 × 33,650.15
4. Step 4: Simplify right side
   138,830.27x = 7,007,427,030.53
5. Step 5: Solve for x
   x = 7,007,427,030.53/138,830.27
6. Step 6: Final answer
   x = 50,474.78