Finding the Fourth Proportional to 236,526.99, 326,404.89 and 129,096.08

Step by Step Solution

1. Step 1: Write the proportion equation
   236,526.99 : 326,404.89 = 129,096.08 : x
2. Step 2: Convert to fraction form
   236,526.99/326,404.89 = 129,096.08/x
3. Step 3: Cross multiply
   236,526.99x = 326,404.89 × 129,096.08
4. Step 4: Simplify right side
   236,526.99x = 42,137,591,383.83
5. Step 5: Solve for x
   x = 42,137,591,383.83/236,526.99
6. Step 6: Final answer
   x = 178,151.31