Finding the Fourth Proportional to 107,578.52, 161,052.34 and 75,446.23

Step by Step Solution

1. Step 1: Write the proportion equation
   107,578.52 : 161,052.34 = 75,446.23 : x
2. Step 2: Convert to fraction form
   107,578.52/161,052.34 = 75,446.23/x
3. Step 3: Cross multiply
   107,578.52x = 161,052.34 × 75,446.23
4. Step 4: Simplify right side
   107,578.52x = 12,150,791,435.89
5. Step 5: Solve for x
   x = 12,150,791,435.89/107,578.52
6. Step 6: Final answer
   x = 112,948.12