Finding the Fourth Proportional to 59,161.59, 81,580.82 and 38,992.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,161.59 : 81,580.82 = 38,992.64 : x
2. Step 2: Convert to fraction form
   59,161.59/81,580.82 = 38,992.64/x
3. Step 3: Cross multiply
   59,161.59x = 81,580.82 × 38,992.64
4. Step 4: Simplify right side
   59,161.59x = 3,181,051,620.52
5. Step 5: Solve for x
   x = 3,181,051,620.52/59,161.59
6. Step 6: Final answer
   x = 53,768.87