Finding the Fourth Proportional to 107,096.58, 160,631.91 and 28,216.76

Step by Step Solution

1. Step 1: Write the proportion equation
   107,096.58 : 160,631.91 = 28,216.76 : x
2. Step 2: Convert to fraction form
   107,096.58/160,631.91 = 28,216.76/x
3. Step 3: Cross multiply
   107,096.58x = 160,631.91 × 28,216.76
4. Step 4: Simplify right side
   107,096.58x = 4,532,511,249.65
5. Step 5: Solve for x
   x = 4,532,511,249.65/107,096.58
6. Step 6: Final answer
   x = 42,321.72