Finding the Fourth Proportional to 108,308.07, 162,462.54 and 71,103.55

Step by Step Solution

1. Step 1: Write the proportion equation
   108,308.07 : 162,462.54 = 71,103.55 : x
2. Step 2: Convert to fraction form
   108,308.07/162,462.54 = 71,103.55/x
3. Step 3: Cross multiply
   108,308.07x = 162,462.54 × 71,103.55
4. Step 4: Simplify right side
   108,308.07x = 11,551,663,336.02
5. Step 5: Solve for x
   x = 11,551,663,336.02/108,308.07
6. Step 6: Final answer
   x = 106,655.61