Finding the Fourth Proportional to 89,606.12, 134,428.62 and 27,275

Step by Step Solution

1. Step 1: Write the proportion equation
   89,606.12 : 134,428.62 = 27,275 : x
2. Step 2: Convert to fraction form
   89,606.12/134,428.62 = 27,275/x
3. Step 3: Cross multiply
   89,606.12x = 134,428.62 × 27,275
4. Step 4: Simplify right side
   89,606.12x = 3,666,540,610.50
5. Step 5: Solve for x
   x = 3,666,540,610.50/89,606.12
6. Step 6: Final answer
   x = 40,918.42