Finding the Fourth Proportional to 50,048.78, 69,067.32 and 31,185.92

Step by Step Solution

1. Step 1: Write the proportion equation
   50,048.78 : 69,067.32 = 31,185.92 : x
2. Step 2: Convert to fraction form
   50,048.78/69,067.32 = 31,185.92/x
3. Step 3: Cross multiply
   50,048.78x = 69,067.32 × 31,185.92
4. Step 4: Simplify right side
   50,048.78x = 2,153,927,916.13
5. Step 5: Solve for x
   x = 2,153,927,916.13/50,048.78
6. Step 6: Final answer
   x = 43,036.57