Finding the Fourth Proportional to 165,456.59, 228,380.01 and 143,036.42

Step by Step Solution

1. Step 1: Write the proportion equation
   165,456.59 : 228,380.01 = 143,036.42 : x
2. Step 2: Convert to fraction form
   165,456.59/228,380.01 = 143,036.42/x
3. Step 3: Cross multiply
   165,456.59x = 228,380.01 × 143,036.42
4. Step 4: Simplify right side
   165,456.59x = 32,666,658,314.78
5. Step 5: Solve for x
   x = 32,666,658,314.78/165,456.59
6. Step 6: Final answer
   x = 197,433.41