Finding the Fourth Proportional to 72,009.17, 99,356.74 and 41,776.97

Step by Step Solution

1. Step 1: Write the proportion equation
   72,009.17 : 99,356.74 = 41,776.97 : x
2. Step 2: Convert to fraction form
   72,009.17/99,356.74 = 41,776.97/x
3. Step 3: Cross multiply
   72,009.17x = 99,356.74 × 41,776.97
4. Step 4: Simplify right side
   72,009.17x = 4,150,822,945.05
5. Step 5: Solve for x
   x = 4,150,822,945.05/72,009.17
6. Step 6: Final answer
   x = 57,642.98