Finding the Fourth Proportional to 59,582.80, 89,343.64 and 31,518

Step by Step Solution

1. Step 1: Write the proportion equation
   59,582.80 : 89,343.64 = 31,518 : x
2. Step 2: Convert to fraction form
   59,582.80/89,343.64 = 31,518/x
3. Step 3: Cross multiply
   59,582.80x = 89,343.64 × 31,518
4. Step 4: Simplify right side
   59,582.80x = 2,815,932,845.52
5. Step 5: Solve for x
   x = 2,815,932,845.52/59,582.80
6. Step 6: Final answer
   x = 47,260.83