Finding the Fourth Proportional to 238,443.90, 329,081.19 and 143,003.10

Step by Step Solution

1. Step 1: Write the proportion equation
   238,443.90 : 329,081.19 = 143,003.10 : x
2. Step 2: Convert to fraction form
   238,443.90/329,081.19 = 143,003.10/x
3. Step 3: Cross multiply
   238,443.90x = 329,081.19 × 143,003.10
4. Step 4: Simplify right side
   238,443.90x = 47,059,630,321.69
5. Step 5: Solve for x
   x = 47,059,630,321.69/238,443.90
6. Step 6: Final answer
   x = 197,361.44