Finding the Fourth Proportional to 42,205.50, 58,244.67 and 25,439.58

Step by Step Solution

1. Step 1: Write the proportion equation
   42,205.50 : 58,244.67 = 25,439.58 : x
2. Step 2: Convert to fraction form
   42,205.50/58,244.67 = 25,439.58/x
3. Step 3: Cross multiply
   42,205.50x = 58,244.67 × 25,439.58
4. Step 4: Simplify right side
   42,205.50x = 1,481,719,942.04
5. Step 5: Solve for x
   x = 1,481,719,942.04/42,205.50
6. Step 6: Final answer
   x = 35,107.27