Finding the Fourth Proportional to 42,394.72, 58,506.24 and 25,618

Step by Step Solution

1. Step 1: Write the proportion equation
   42,394.72 : 58,506.24 = 25,618 : x
2. Step 2: Convert to fraction form
   42,394.72/58,506.24 = 25,618/x
3. Step 3: Cross multiply
   42,394.72x = 58,506.24 × 25,618
4. Step 4: Simplify right side
   42,394.72x = 1,498,812,856.32
5. Step 5: Solve for x
   x = 1,498,812,856.32/42,394.72
6. Step 6: Final answer
   x = 35,353.76