Finding the Fourth Proportional to 89,588.72, 134,395.43 and 30,408.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,588.72 : 134,395.43 = 30,408.50 : x
2. Step 2: Convert to fraction form
   89,588.72/134,395.43 = 30,408.50/x
3. Step 3: Cross multiply
   89,588.72x = 134,395.43 × 30,408.50
4. Step 4: Simplify right side
   89,588.72x = 4,086,763,433.16
5. Step 5: Solve for x
   x = 4,086,763,433.16/89,588.72
6. Step 6: Final answer
   x = 45,616.94