Finding the Fourth Proportional to 266,079.50, 398,772.69 and 108,123.29

Step by Step Solution

1. Step 1: Write the proportion equation
   266,079.50 : 398,772.69 = 108,123.29 : x
2. Step 2: Convert to fraction form
   266,079.50/398,772.69 = 108,123.29/x
3. Step 3: Cross multiply
   266,079.50x = 398,772.69 × 108,123.29
4. Step 4: Simplify right side
   266,079.50x = 43,116,613,211.09
5. Step 5: Solve for x
   x = 43,116,613,211.09/266,079.50
6. Step 6: Final answer
   x = 162,044.10