Finding the Fourth Proportional to 89,433.69, 134,213.40 and 42,050.95

Step by Step Solution

1. Step 1: Write the proportion equation
   89,433.69 : 134,213.40 = 42,050.95 : x
2. Step 2: Convert to fraction form
   89,433.69/134,213.40 = 42,050.95/x
3. Step 3: Cross multiply
   89,433.69x = 134,213.40 × 42,050.95
4. Step 4: Simplify right side
   89,433.69x = 5,643,800,972.73
5. Step 5: Solve for x
   x = 5,643,800,972.73/89,433.69
6. Step 6: Final answer
   x = 63,105.98