Finding the Fourth Proportional to 72,364.43, 108,359.71 and 49,944.31

Step by Step Solution

1. Step 1: Write the proportion equation
   72,364.43 : 108,359.71 = 49,944.31 : x
2. Step 2: Convert to fraction form
   72,364.43/108,359.71 = 49,944.31/x
3. Step 3: Cross multiply
   72,364.43x = 108,359.71 × 49,944.31
4. Step 4: Simplify right side
   72,364.43x = 5,411,950,947.75
5. Step 5: Solve for x
   x = 5,411,950,947.75/72,364.43
6. Step 6: Final answer
   x = 74,787.45