Finding the Fourth Proportional to 72,362.43, 108,356.72 and 49,942.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,362.43 : 108,356.72 = 49,942.31 : x
2. Step 2: Convert to fraction form
   72,362.43/108,356.72 = 49,942.31/x
3. Step 3: Cross multiply
   72,362.43x = 108,356.72 × 49,942.31
4. Step 4: Simplify right side
   72,362.43x = 5,411,584,109.33
5. Step 5: Solve for x
   x = 5,411,584,109.33/72,362.43
6. Step 6: Final answer
   x = 74,784.44