Finding the Fourth Proportional to 89,468.78, 134,169.96 and 26,271.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,468.78 : 134,169.96 = 26,271.50 : x
2. Step 2: Convert to fraction form
   89,468.78/134,169.96 = 26,271.50/x
3. Step 3: Cross multiply
   89,468.78x = 134,169.96 × 26,271.50
4. Step 4: Simplify right side
   89,468.78x = 3,524,846,104.14
5. Step 5: Solve for x
   x = 3,524,846,104.14/89,468.78
6. Step 6: Final answer
   x = 39,397.50