Finding the Fourth Proportional to 89,369.78, 133,850.52 and 42,655.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,369.78 : 133,850.52 = 42,655.46 : x
2. Step 2: Convert to fraction form
   89,369.78/133,850.52 = 42,655.46/x
3. Step 3: Cross multiply
   89,369.78x = 133,850.52 × 42,655.46
4. Step 4: Simplify right side
   89,369.78x = 5,709,454,832.59
5. Step 5: Solve for x
   x = 5,709,454,832.59/89,369.78
6. Step 6: Final answer
   x = 63,885.75