Finding the Fourth Proportional to 89,019.93, 133,529.49 and 36,429.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,019.93 : 133,529.49 = 36,429.42 : x
2. Step 2: Convert to fraction form
   89,019.93/133,529.49 = 36,429.42/x
3. Step 3: Cross multiply
   89,019.93x = 133,529.49 × 36,429.42
4. Step 4: Simplify right side
   89,019.93x = 4,864,401,873.60
5. Step 5: Solve for x
   x = 4,864,401,873.60/89,019.93
6. Step 6: Final answer
   x = 54,643.96