Finding the Fourth Proportional to 107,450.61, 161,175.72 and 28,564.83

Step by Step Solution

1. Step 1: Write the proportion equation
   107,450.61 : 161,175.72 = 28,564.83 : x
2. Step 2: Convert to fraction form
   107,450.61/161,175.72 = 28,564.83/x
3. Step 3: Cross multiply
   107,450.61x = 161,175.72 × 28,564.83
4. Step 4: Simplify right side
   107,450.61x = 4,603,957,041.93
5. Step 5: Solve for x
   x = 4,603,957,041.93/107,450.61
6. Step 6: Final answer
   x = 42,847.19