Finding the Fourth Proportional to 64,682.62, 89,250.91 and 59,450.59

Step by Step Solution

1. Step 1: Write the proportion equation
   64,682.62 : 89,250.91 = 59,450.59 : x
2. Step 2: Convert to fraction form
   64,682.62/89,250.91 = 59,450.59/x
3. Step 3: Cross multiply
   64,682.62x = 89,250.91 × 59,450.59
4. Step 4: Simplify right side
   64,682.62x = 5,306,019,257.54
5. Step 5: Solve for x
   x = 5,306,019,257.54/64,682.62
6. Step 6: Final answer
   x = 82,031.61