Finding the Fourth Proportional to 72,204.48, 99,667.25 and 49,618.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,204.48 : 99,667.25 = 49,618.24 : x
2. Step 2: Convert to fraction form
   72,204.48/99,667.25 = 49,618.24/x
3. Step 3: Cross multiply
   72,204.48x = 99,667.25 × 49,618.24
4. Step 4: Simplify right side
   72,204.48x = 4,945,313,219.45
5. Step 5: Solve for x
   x = 4,945,313,219.45/72,204.48
6. Step 6: Final answer
   x = 68,490.39