Finding the Fourth Proportional to 42,208.05, 63,288.71 and 17,265.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,208.05 : 63,288.71 = 17,265.62 : x
2. Step 2: Convert to fraction form
   42,208.05/63,288.71 = 17,265.62/x
3. Step 3: Cross multiply
   42,208.05x = 63,288.71 × 17,265.62
4. Step 4: Simplify right side
   42,208.05x = 1,092,718,817.15
5. Step 5: Solve for x
   x = 1,092,718,817.15/42,208.05
6. Step 6: Final answer
   x = 25,888.87