Finding the Fourth Proportional to 72,008.79, 99,356.22 and 41,776.59

Step by Step Solution

1. Step 1: Write the proportion equation
   72,008.79 : 99,356.22 = 41,776.59 : x
2. Step 2: Convert to fraction form
   72,008.79/99,356.22 = 41,776.59/x
3. Step 3: Cross multiply
   72,008.79x = 99,356.22 × 41,776.59
4. Step 4: Simplify right side
   72,008.79x = 4,150,764,066.89
5. Step 5: Solve for x
   x = 4,150,764,066.89/72,008.79
6. Step 6: Final answer
   x = 57,642.46