Finding the Fourth Proportional to 59,717.82, 89,596.17 and 28,555.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,717.82 : 89,596.17 = 28,555.50 : x
2. Step 2: Convert to fraction form
   59,717.82/89,596.17 = 28,555.50/x
3. Step 3: Cross multiply
   59,717.82x = 89,596.17 × 28,555.50
4. Step 4: Simplify right side
   59,717.82x = 2,558,463,432.44
5. Step 5: Solve for x
   x = 2,558,463,432.44/59,717.82
6. Step 6: Final answer
   x = 42,842.55