Finding the Fourth Proportional to 108,272.76, 162,241.62 and 75,057.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,272.76 : 162,241.62 = 75,057.72 : x
2. Step 2: Convert to fraction form
   108,272.76/162,241.62 = 75,057.72/x
3. Step 3: Cross multiply
   108,272.76x = 162,241.62 × 75,057.72
4. Step 4: Simplify right side
   108,272.76x = 12,177,486,086.31
5. Step 5: Solve for x
   x = 12,177,486,086.31/108,272.76
6. Step 6: Final answer
   x = 112,470.45