Finding the Fourth Proportional to 107,022.27, 160,534.62 and 28,144.47

Step by Step Solution

1. Step 1: Write the proportion equation
   107,022.27 : 160,534.62 = 28,144.47 : x
2. Step 2: Convert to fraction form
   107,022.27/160,534.62 = 28,144.47/x
3. Step 3: Cross multiply
   107,022.27x = 160,534.62 × 28,144.47
4. Step 4: Simplify right side
   107,022.27x = 4,518,161,796.55
5. Step 5: Solve for x
   x = 4,518,161,796.55/107,022.27
6. Step 6: Final answer
   x = 42,217.02