Finding the Fourth Proportional to 42,448.69, 58,553.12 and 25,209.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,448.69 : 58,553.12 = 25,209.34 : x
2. Step 2: Convert to fraction form
   42,448.69/58,553.12 = 25,209.34/x
3. Step 3: Cross multiply
   42,448.69x = 58,553.12 × 25,209.34
4. Step 4: Simplify right side
   42,448.69x = 1,476,085,510.14
5. Step 5: Solve for x
   x = 1,476,085,510.14/42,448.69
6. Step 6: Final answer
   x = 34,773.41