Finding the Fourth Proportional to 89,433.36, 123,355.56 and 75,911.34

Step by Step Solution

1. Step 1: Write the proportion equation
   89,433.36 : 123,355.56 = 75,911.34 : x
2. Step 2: Convert to fraction form
   89,433.36/123,355.56 = 75,911.34/x
3. Step 3: Cross multiply
   89,433.36x = 123,355.56 × 75,911.34
4. Step 4: Simplify right side
   89,433.36x = 9,364,085,856.05
5. Step 5: Solve for x
   x = 9,364,085,856.05/89,433.36
6. Step 6: Final answer
   x = 104,704.62