Finding the Fourth Proportional to 85,498.62, 128,261.72 and 26,334.27

Step by Step Solution

1. Step 1: Write the proportion equation
   85,498.62 : 128,261.72 = 26,334.27 : x
2. Step 2: Convert to fraction form
   85,498.62/128,261.72 = 26,334.27/x
3. Step 3: Cross multiply
   85,498.62x = 128,261.72 × 26,334.27
4. Step 4: Simplify right side
   85,498.62x = 3,377,678,765.14
5. Step 5: Solve for x
   x = 3,377,678,765.14/85,498.62
6. Step 6: Final answer
   x = 39,505.65