Finding the Fourth Proportional to 72,364.19, 108,359.34 and 49,944.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,364.19 : 108,359.34 = 49,944.05 : x
2. Step 2: Convert to fraction form
   72,364.19/108,359.34 = 49,944.05/x
3. Step 3: Cross multiply
   72,364.19x = 108,359.34 × 49,944.05
4. Step 4: Simplify right side
   72,364.19x = 5,411,904,294.93
5. Step 5: Solve for x
   x = 5,411,904,294.93/72,364.19
6. Step 6: Final answer
   x = 74,787.05