Finding the Fourth Proportional to 99,662.17, 149,414.77 and 49,716.56

Step by Step Solution

1. Step 1: Write the proportion equation
   99,662.17 : 149,414.77 = 49,716.56 : x
2. Step 2: Convert to fraction form
   99,662.17/149,414.77 = 49,716.56/x
3. Step 3: Cross multiply
   99,662.17x = 149,414.77 × 49,716.56
4. Step 4: Simplify right side
   99,662.17x = 7,428,388,377.59
5. Step 5: Solve for x
   x = 7,428,388,377.59/99,662.17
6. Step 6: Final answer
   x = 74,535.69