Finding the Fourth Proportional to 17,257.31, 25,886.55 and 4,776.29

Step by Step Solution

1. Step 1: Write the proportion equation
   17,257.31 : 25,886.55 = 4,776.29 : x
2. Step 2: Convert to fraction form
   17,257.31/25,886.55 = 4,776.29/x
3. Step 3: Cross multiply
   17,257.31x = 25,886.55 × 4,776.29
4. Step 4: Simplify right side
   17,257.31x = 123,641,734.62
5. Step 5: Solve for x
   x = 123,641,734.62/17,257.31
6. Step 6: Final answer
   x = 7,164.60