Finding the Fourth Proportional to 17,006.51, 25,509.82 and 5,160.38

Step by Step Solution

1. Step 1: Write the proportion equation
   17,006.51 : 25,509.82 = 5,160.38 : x
2. Step 2: Convert to fraction form
   17,006.51/25,509.82 = 5,160.38/x
3. Step 3: Cross multiply
   17,006.51x = 25,509.82 × 5,160.38
4. Step 4: Simplify right side
   17,006.51x = 131,640,377.65
5. Step 5: Solve for x
   x = 131,640,377.65/17,006.51
6. Step 6: Final answer
   x = 7,740.59