Finding the Fourth Proportional to 146,271.42, 201,869.46 and 105,469.11

Step by Step Solution

1. Step 1: Write the proportion equation
   146,271.42 : 201,869.46 = 105,469.11 : x
2. Step 2: Convert to fraction form
   146,271.42/201,869.46 = 105,469.11/x
3. Step 3: Cross multiply
   146,271.42x = 201,869.46 × 105,469.11
4. Step 4: Simplify right side
   146,271.42x = 21,290,992,282.38
5. Step 5: Solve for x
   x = 21,290,992,282.38/146,271.42
6. Step 6: Final answer
   x = 145,558.12