Finding the Fourth Proportional to 108,170.59, 162,255.99 and 28,208.49

Step by Step Solution

1. Step 1: Write the proportion equation
   108,170.59 : 162,255.99 = 28,208.49 : x
2. Step 2: Convert to fraction form
   108,170.59/162,255.99 = 28,208.49/x
3. Step 3: Cross multiply
   108,170.59x = 162,255.99 × 28,208.49
4. Step 4: Simplify right side
   108,170.59x = 4,576,997,337.71
5. Step 5: Solve for x
   x = 4,576,997,337.71/108,170.59
6. Step 6: Final answer
   x = 42,312.77