Finding the Fourth Proportional to 107,003.62, 160,147.31 and 105,587.54

Step by Step Solution

1. Step 1: Write the proportion equation
   107,003.62 : 160,147.31 = 105,587.54 : x
2. Step 2: Convert to fraction form
   107,003.62/160,147.31 = 105,587.54/x
3. Step 3: Cross multiply
   107,003.62x = 160,147.31 × 105,587.54
4. Step 4: Simplify right side
   107,003.62x = 16,909,560,500.52
5. Step 5: Solve for x
   x = 16,909,560,500.52/107,003.62
6. Step 6: Final answer
   x = 158,027.93