Finding the Fourth Proportional to 42,285.38, 58,353.82 and 25,518.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,285.38 : 58,353.82 = 25,518.38 : x
2. Step 2: Convert to fraction form
   42,285.38/58,353.82 = 25,518.38/x
3. Step 3: Cross multiply
   42,285.38x = 58,353.82 × 25,518.38
4. Step 4: Simplify right side
   42,285.38x = 1,489,094,597.65
5. Step 5: Solve for x
   x = 1,489,094,597.65/42,285.38
6. Step 6: Final answer
   x = 35,215.36