Finding the Fourth Proportional to 89,086.73, 133,654.68 and 79,294.43

Step by Step Solution

1. Step 1: Write the proportion equation
   89,086.73 : 133,654.68 = 79,294.43 : x
2. Step 2: Convert to fraction form
   89,086.73/133,654.68 = 79,294.43/x
3. Step 3: Cross multiply
   89,086.73x = 133,654.68 × 79,294.43
4. Step 4: Simplify right side
   89,086.73x = 10,598,070,999.16
5. Step 5: Solve for x
   x = 10,598,070,999.16/89,086.73
6. Step 6: Final answer
   x = 118,963.53