Finding the Fourth Proportional to 108,287.76, 162,264.12 and 75,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,287.76 : 162,264.12 = 75,072.72 : x
2. Step 2: Convert to fraction form
   108,287.76/162,264.12 = 75,072.72/x
3. Step 3: Cross multiply
   108,287.76x = 162,264.12 × 75,072.72
4. Step 4: Simplify right side
   108,287.76x = 12,181,608,846.81
5. Step 5: Solve for x
   x = 12,181,608,846.81/108,287.76
6. Step 6: Final answer
   x = 112,492.94