Finding the Fourth Proportional to 108,225.76, 162,171.16 and 75,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   108,225.76 : 162,171.16 = 75,010.72 : x
2. Step 2: Convert to fraction form
   108,225.76/162,171.16 = 75,010.72/x
3. Step 3: Cross multiply
   108,225.76x = 162,171.16 × 75,010.72
4. Step 4: Simplify right side
   108,225.76x = 12,164,575,474.84
5. Step 5: Solve for x
   x = 12,164,575,474.84/108,225.76
6. Step 6: Final answer
   x = 112,400.00