Finding the Fourth Proportional to 107,314.37, 160,977.98 and 28,428.37

Step by Step Solution

1. Step 1: Write the proportion equation
   107,314.37 : 160,977.98 = 28,428.37 : x
2. Step 2: Convert to fraction form
   107,314.37/160,977.98 = 28,428.37/x
3. Step 3: Cross multiply
   107,314.37x = 160,977.98 × 28,428.37
4. Step 4: Simplify right side
   107,314.37x = 4,576,341,245.92
5. Step 5: Solve for x
   x = 4,576,341,245.92/107,314.37
6. Step 6: Final answer
   x = 42,644.25