Finding the Fourth Proportional to 89,897.22, 134,162.28 and 79,932.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,897.22 : 134,162.28 = 79,932.96 : x
2. Step 2: Convert to fraction form
   89,897.22/134,162.28 = 79,932.96/x
3. Step 3: Cross multiply
   89,897.22x = 134,162.28 × 79,932.96
4. Step 4: Simplify right side
   89,897.22x = 10,723,988,160.75
5. Step 5: Solve for x
   x = 10,723,988,160.75/89,897.22
6. Step 6: Final answer
   x = 119,291.66