Finding the Fourth Proportional to 210,061.99, 315,233.10 and 108,953.23

Step by Step Solution

1. Step 1: Write the proportion equation
   210,061.99 : 315,233.10 = 108,953.23 : x
2. Step 2: Convert to fraction form
   210,061.99/315,233.10 = 108,953.23/x
3. Step 3: Cross multiply
   210,061.99x = 315,233.10 × 108,953.23
4. Step 4: Simplify right side
   210,061.99x = 34,345,664,447.91
5. Step 5: Solve for x
   x = 34,345,664,447.91/210,061.99
6. Step 6: Final answer
   x = 163,502.52