Finding the Fourth Proportional to 356,661.82, 535,021.89 and 146,301.58

Step by Step Solution

1. Step 1: Write the proportion equation
   356,661.82 : 535,021.89 = 146,301.58 : x
2. Step 2: Convert to fraction form
   356,661.82/535,021.89 = 146,301.58/x
3. Step 3: Cross multiply
   356,661.82x = 535,021.89 × 146,301.58
4. Step 4: Simplify right side
   356,661.82x = 78,274,547,841.59
5. Step 5: Solve for x
   x = 78,274,547,841.59/356,661.82
6. Step 6: Final answer
   x = 219,464.33