Finding the Fourth Proportional to 89,818.71, 134,608.37 and 42,446.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,818.71 : 134,608.37 = 42,446.38 : x
2. Step 2: Convert to fraction form
   89,818.71/134,608.37 = 42,446.38/x
3. Step 3: Cross multiply
   89,818.71x = 134,608.37 × 42,446.38
4. Step 4: Simplify right side
   89,818.71x = 5,713,637,906.91
5. Step 5: Solve for x
   x = 5,713,637,906.91/89,818.71
6. Step 6: Final answer
   x = 63,613.00