Finding the Fourth Proportional to 89,426.12, 134,159.92 and 26,243.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,426.12 : 134,159.92 = 26,243.68 : x
2. Step 2: Convert to fraction form
   89,426.12/134,159.92 = 26,243.68/x
3. Step 3: Cross multiply
   89,426.12x = 134,159.92 × 26,243.68
4. Step 4: Simplify right side
   89,426.12x = 3,520,850,009.31
5. Step 5: Solve for x
   x = 3,520,850,009.31/89,426.12
6. Step 6: Final answer
   x = 39,371.61