Finding the Fourth Proportional to 89,048.36, 133,587.12 and 42,285.44

Step by Step Solution

1. Step 1: Write the proportion equation
   89,048.36 : 133,587.12 = 42,285.44 : x
2. Step 2: Convert to fraction form
   89,048.36/133,587.12 = 42,285.44/x
3. Step 3: Cross multiply
   89,048.36x = 133,587.12 × 42,285.44
4. Step 4: Simplify right side
   89,048.36x = 5,648,789,479.60
5. Step 5: Solve for x
   x = 5,648,789,479.60/89,048.36
6. Step 6: Final answer
   x = 63,435.08