Finding the Fourth Proportional to 99,568.74, 149,297.77 and 32,972.55

Step by Step Solution

1. Step 1: Write the proportion equation
   99,568.74 : 149,297.77 = 32,972.55 : x
2. Step 2: Convert to fraction form
   99,568.74/149,297.77 = 32,972.55/x
3. Step 3: Cross multiply
   99,568.74x = 149,297.77 × 32,972.55
4. Step 4: Simplify right side
   99,568.74x = 4,922,728,321.89
5. Step 5: Solve for x
   x = 4,922,728,321.89/99,568.74
6. Step 6: Final answer
   x = 49,440.50