Finding the Fourth Proportional to 83,757.47, 125,580.66 and 30,443.12

Step by Step Solution

1. Step 1: Write the proportion equation
   83,757.47 : 125,580.66 = 30,443.12 : x
2. Step 2: Convert to fraction form
   83,757.47/125,580.66 = 30,443.12/x
3. Step 3: Cross multiply
   83,757.47x = 125,580.66 × 30,443.12
4. Step 4: Simplify right side
   83,757.47x = 3,823,067,102.06
5. Step 5: Solve for x
   x = 3,823,067,102.06/83,757.47
6. Step 6: Final answer
   x = 45,644.49