Finding the Fourth Proportional to 443,066.68, 664,435.86 and 158,712.94

Step by Step Solution

1. Step 1: Write the proportion equation
   443,066.68 : 664,435.86 = 158,712.94 : x
2. Step 2: Convert to fraction form
   443,066.68/664,435.86 = 158,712.94/x
3. Step 3: Cross multiply
   443,066.68x = 664,435.86 × 158,712.94
4. Step 4: Simplify right side
   443,066.68x = 105,454,568,782.03
5. Step 5: Solve for x
   x = 105,454,568,782.03/443,066.68
6. Step 6: Final answer
   x = 238,010.61