Finding the Fourth Proportional to 210,109.24, 289,942.17 and 124,096.06

Step by Step Solution

1. Step 1: Write the proportion equation
   210,109.24 : 289,942.17 = 124,096.06 : x
2. Step 2: Convert to fraction form
   210,109.24/289,942.17 = 124,096.06/x
3. Step 3: Cross multiply
   210,109.24x = 289,942.17 × 124,096.06
4. Step 4: Simplify right side
   210,109.24x = 35,980,680,924.85
5. Step 5: Solve for x
   x = 35,980,680,924.85/210,109.24
6. Step 6: Final answer
   x = 171,247.49