Finding the Fourth Proportional to 59,900.39, 82,771.88 and 51,284.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59,900.39 : 82,771.88 = 51,284.98 : x
2. Step 2: Convert to fraction form
   59,900.39/82,771.88 = 51,284.98/x
3. Step 3: Cross multiply
   59,900.39x = 82,771.88 × 51,284.98
4. Step 4: Simplify right side
   59,900.39x = 4,244,954,369.61
5. Step 5: Solve for x
   x = 4,244,954,369.61/59,900.39
6. Step 6: Final answer
   x = 70,866.89