Finding the Fourth Proportional to 107,066.90, 160,427.55 and 67,553.30

Step by Step Solution

1. Step 1: Write the proportion equation
   107,066.90 : 160,427.55 = 67,553.30 : x
2. Step 2: Convert to fraction form
   107,066.90/160,427.55 = 67,553.30/x
3. Step 3: Cross multiply
   107,066.90x = 160,427.55 × 67,553.30
4. Step 4: Simplify right side
   107,066.90x = 10,837,410,413.42
5. Step 5: Solve for x
   x = 10,837,410,413.42/107,066.90
6. Step 6: Final answer
   x = 101,220.92