Finding the Fourth Proportional to 89,892.60, 134,796.97 and 26,689.51

Step by Step Solution

1. Step 1: Write the proportion equation
   89,892.60 : 134,796.97 = 26,689.51 : x
2. Step 2: Convert to fraction form
   89,892.60/134,796.97 = 26,689.51/x
3. Step 3: Cross multiply
   89,892.60x = 134,796.97 × 26,689.51
4. Step 4: Simplify right side
   89,892.60x = 3,597,665,078.78
5. Step 5: Solve for x
   x = 3,597,665,078.78/89,892.60
6. Step 6: Final answer
   x = 40,021.82