Finding the Fourth Proportional to 133,016.36, 199,524.56 and 88,729.61

Step by Step Solution

1. Step 1: Write the proportion equation
   133,016.36 : 199,524.56 = 88,729.61 : x
2. Step 2: Convert to fraction form
   133,016.36/199,524.56 = 88,729.61/x
3. Step 3: Cross multiply
   133,016.36x = 199,524.56 × 88,729.61
4. Step 4: Simplify right side
   133,016.36x = 17,703,734,952.95
5. Step 5: Solve for x
   x = 17,703,734,952.95/133,016.36
6. Step 6: Final answer
   x = 133,094.42