Finding the Fourth Proportional to 17,061.25, 25,588.35 and 4,578.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,061.25 : 25,588.35 = 4,578.31 : x
2. Step 2: Convert to fraction form
   17,061.25/25,588.35 = 4,578.31/x
3. Step 3: Cross multiply
   17,061.25x = 25,588.35 × 4,578.31
4. Step 4: Simplify right side
   17,061.25x = 117,151,398.69
5. Step 5: Solve for x
   x = 117,151,398.69/17,061.25
6. Step 6: Final answer
   x = 6,866.52