Finding the Fourth Proportional to 108,167.36, 162,251.15 and 28,205.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,167.36 : 162,251.15 = 28,205.25 : x
2. Step 2: Convert to fraction form
   108,167.36/162,251.15 = 28,205.25/x
3. Step 3: Cross multiply
   108,167.36x = 162,251.15 × 28,205.25
4. Step 4: Simplify right side
   108,167.36x = 4,576,335,026.72
5. Step 5: Solve for x
   x = 4,576,335,026.72/108,167.36
6. Step 6: Final answer
   x = 42,307.91