Finding the Fourth Proportional to 39,185.69, 54,092.79 and 26,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   39,185.69 : 54,092.79 = 26,456.10 : x
2. Step 2: Convert to fraction form
   39,185.69/54,092.79 = 26,456.10/x
3. Step 3: Cross multiply
   39,185.69x = 54,092.79 × 26,456.10
4. Step 4: Simplify right side
   39,185.69x = 1,431,084,261.52
5. Step 5: Solve for x
   x = 1,431,084,261.52/39,185.69
6. Step 6: Final answer
   x = 36,520.59