Finding the Fourth Proportional to 201,105.10, 301,744.05 and 102,609.10

Step by Step Solution

1. Step 1: Write the proportion equation
   201,105.10 : 301,744.05 = 102,609.10 : x
2. Step 2: Convert to fraction form
   201,105.10/301,744.05 = 102,609.10/x
3. Step 3: Cross multiply
   201,105.10x = 301,744.05 × 102,609.10
4. Step 4: Simplify right side
   201,105.10x = 30,961,685,400.86
5. Step 5: Solve for x
   x = 30,961,685,400.86/201,105.10
6. Step 6: Final answer
   x = 153,957.73