Finding the Fourth Proportional to 89,727.12, 134,559.18 and 26,530.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,727.12 : 134,559.18 = 26,530.38 : x
2. Step 2: Convert to fraction form
   89,727.12/134,559.18 = 26,530.38/x
3. Step 3: Cross multiply
   89,727.12x = 134,559.18 × 26,530.38
4. Step 4: Simplify right side
   89,727.12x = 3,569,906,177.89
5. Step 5: Solve for x
   x = 3,569,906,177.89/89,727.12
6. Step 6: Final answer
   x = 39,786.26