Finding the Fourth Proportional to 59,930.92, 89,868.57 and 34,978.15

Step by Step Solution

1. Step 1: Write the proportion equation
   59,930.92 : 89,868.57 = 34,978.15 : x
2. Step 2: Convert to fraction form
   59,930.92/89,868.57 = 34,978.15/x
3. Step 3: Cross multiply
   59,930.92x = 89,868.57 × 34,978.15
4. Step 4: Simplify right side
   59,930.92x = 3,143,436,321.75
5. Step 5: Solve for x
   x = 3,143,436,321.75/59,930.92
6. Step 6: Final answer
   x = 52,450.99