Finding the Fourth Proportional to 149,556.30, 205,967.76 and 146,290.38

Step by Step Solution

1. Step 1: Write the proportion equation
   149,556.30 : 205,967.76 = 146,290.38 : x
2. Step 2: Convert to fraction form
   149,556.30/205,967.76 = 146,290.38/x
3. Step 3: Cross multiply
   149,556.30x = 205,967.76 × 146,290.38
4. Step 4: Simplify right side
   149,556.30x = 30,131,101,878.15
5. Step 5: Solve for x
   x = 30,131,101,878.15/149,556.30
6. Step 6: Final answer
   x = 201,469.96