Finding the Fourth Proportional to 107,689.34, 160,727.59 and 100,603.46

Step by Step Solution

1. Step 1: Write the proportion equation
   107,689.34 : 160,727.59 = 100,603.46 : x
2. Step 2: Convert to fraction form
   107,689.34/160,727.59 = 100,603.46/x
3. Step 3: Cross multiply
   107,689.34x = 160,727.59 × 100,603.46
4. Step 4: Simplify right side
   107,689.34x = 16,169,751,671.46
5. Step 5: Solve for x
   x = 16,169,751,671.46/107,689.34
6. Step 6: Final answer
   x = 150,151.83