Finding the Fourth Proportional to 42,205, 58,244 and 25,439.08

Step by Step Solution

1. Step 1: Write the proportion equation
   42,205 : 58,244 = 25,439.08 : x
2. Step 2: Convert to fraction form
   42,205/58,244 = 25,439.08/x
3. Step 3: Cross multiply
   42,205x = 58,244 × 25,439.08
4. Step 4: Simplify right side
   42,205x = 1,481,673,775.52
5. Step 5: Solve for x
   x = 1,481,673,775.52/42,205
6. Step 6: Final answer
   x = 35,106.59