Finding the Fourth Proportional to 238,446.90, 329,085.33 and 143,006.10

Step by Step Solution

1. Step 1: Write the proportion equation
   238,446.90 : 329,085.33 = 143,006.10 : x
2. Step 2: Convert to fraction form
   238,446.90/329,085.33 = 143,006.10/x
3. Step 3: Cross multiply
   238,446.90x = 329,085.33 × 143,006.10
4. Step 4: Simplify right side
   238,446.90x = 47,061,209,610.51
5. Step 5: Solve for x
   x = 47,061,209,610.51/238,446.90
6. Step 6: Final answer
   x = 197,365.58