Finding the Fourth Proportional to 158,174.16, 238,361.60 and 143,185.83

Step by Step Solution

1. Step 1: Write the proportion equation
   158,174.16 : 238,361.60 = 143,185.83 : x
2. Step 2: Convert to fraction form
   158,174.16/238,361.60 = 143,185.83/x
3. Step 3: Cross multiply
   158,174.16x = 238,361.60 × 143,185.83
4. Step 4: Simplify right side
   158,174.16x = 34,130,002,820.20
5. Step 5: Solve for x
   x = 34,130,002,820.20/158,174.16
6. Step 6: Final answer
   x = 215,774.83