Finding the Fourth Proportional to 146,586.10, 205,687.10 and 146,586.10

Step by Step Solution

1. Step 1: Write the proportion equation
   146,586.10 : 205,687.10 = 146,586.10 : x
2. Step 2: Convert to fraction form
   146,586.10/205,687.10 = 146,586.10/x
3. Step 3: Cross multiply
   146,586.10x = 205,687.10 × 146,586.10
4. Step 4: Simplify right side
   146,586.10x = 30,150,869,809.31
5. Step 5: Solve for x
   x = 30,150,869,809.31/146,586.10
6. Step 6: Final answer
   x = 205,687.10