Finding the Fourth Proportional to 89,756.99, 134,662.83 and 42,408.44

Step by Step Solution

1. Step 1: Write the proportion equation
   89,756.99 : 134,662.83 = 42,408.44 : x
2. Step 2: Convert to fraction form
   89,756.99/134,662.83 = 42,408.44/x
3. Step 3: Cross multiply
   89,756.99x = 134,662.83 × 42,408.44
4. Step 4: Simplify right side
   89,756.99x = 5,710,840,882.94
5. Step 5: Solve for x
   x = 5,710,840,882.94/89,756.99
6. Step 6: Final answer
   x = 63,625.58