Finding the Fourth Proportional to 107,084.82, 160,635.12 and 28,198.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,084.82 : 160,635.12 = 28,198.50 : x
2. Step 2: Convert to fraction form
   107,084.82/160,635.12 = 28,198.50/x
3. Step 3: Cross multiply
   107,084.82x = 160,635.12 × 28,198.50
4. Step 4: Simplify right side
   107,084.82x = 4,529,669,431.32
5. Step 5: Solve for x
   x = 4,529,669,431.32/107,084.82
6. Step 6: Final answer
   x = 42,299.83