Finding the Fourth Proportional to 60,711.73, 91,078.12 and 18,590.82

Step by Step Solution

1. Step 1: Write the proportion equation
   60,711.73 : 91,078.12 = 18,590.82 : x
2. Step 2: Convert to fraction form
   60,711.73/91,078.12 = 18,590.82/x
3. Step 3: Cross multiply
   60,711.73x = 91,078.12 × 18,590.82
4. Step 4: Simplify right side
   60,711.73x = 1,693,216,616.55
5. Step 5: Solve for x
   x = 1,693,216,616.55/60,711.73
6. Step 6: Final answer
   x = 27,889.45