Finding the Fourth Proportional to 89,456.64, 134,164.19 and 26,259.79

Step by Step Solution

1. Step 1: Write the proportion equation
   89,456.64 : 134,164.19 = 26,259.79 : x
2. Step 2: Convert to fraction form
   89,456.64/134,164.19 = 26,259.79/x
3. Step 3: Cross multiply
   89,456.64x = 134,164.19 × 26,259.79
4. Step 4: Simplify right side
   89,456.64x = 3,523,123,454.92
5. Step 5: Solve for x
   x = 3,523,123,454.92/89,456.64
6. Step 6: Final answer
   x = 39,383.59