Finding the Fourth Proportional to 75,111.12, 103,660.56 and 41,577.12

Step by Step Solution

1. Step 1: Write the proportion equation
   75,111.12 : 103,660.56 = 41,577.12 : x
2. Step 2: Convert to fraction form
   75,111.12/103,660.56 = 41,577.12/x
3. Step 3: Cross multiply
   75,111.12x = 103,660.56 × 41,577.12
4. Step 4: Simplify right side
   75,111.12x = 4,309,907,542.39
5. Step 5: Solve for x
   x = 4,309,907,542.39/75,111.12
6. Step 6: Final answer
   x = 57,380.42