Finding the Fourth Proportional to 42,664.62, 58,872.51 and 30,067.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,664.62 : 58,872.51 = 30,067.50 : x
2. Step 2: Convert to fraction form
   42,664.62/58,872.51 = 30,067.50/x
3. Step 3: Cross multiply
   42,664.62x = 58,872.51 × 30,067.50
4. Step 4: Simplify right side
   42,664.62x = 1,770,149,194.43
5. Step 5: Solve for x
   x = 1,770,149,194.43/42,664.62
6. Step 6: Final answer
   x = 41,489.86