Finding the Fourth Proportional to 99,662.42, 149,415.15 and 49,716.81

Step by Step Solution

1. Step 1: Write the proportion equation
   99,662.42 : 149,415.15 = 49,716.81 : x
2. Step 2: Convert to fraction form
   99,662.42/149,415.15 = 49,716.81/x
3. Step 3: Cross multiply
   99,662.42x = 149,415.15 × 49,716.81
4. Step 4: Simplify right side
   99,662.42x = 7,428,444,375.09
5. Step 5: Solve for x
   x = 7,428,444,375.09/99,662.42
6. Step 6: Final answer
   x = 74,536.06