Finding the Fourth Proportional to 72,180.84, 108,159.58 and 50,037.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,180.84 : 108,159.58 = 50,037.48 : x
2. Step 2: Convert to fraction form
   72,180.84/108,159.58 = 50,037.48/x
3. Step 3: Cross multiply
   72,180.84x = 108,159.58 × 50,037.48
4. Step 4: Simplify right side
   72,180.84x = 5,412,032,821.06
5. Step 5: Solve for x
   x = 5,412,032,821.06/72,180.84
6. Step 6: Final answer
   x = 74,978.80