Finding the Fourth Proportional to 17,091.56, 25,638.78 and 5,404.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,091.56 : 25,638.78 = 5,404.52 : x
2. Step 2: Convert to fraction form
   17,091.56/25,638.78 = 5,404.52/x
3. Step 3: Cross multiply
   17,091.56x = 25,638.78 × 5,404.52
4. Step 4: Simplify right side
   17,091.56x = 138,565,299.29
5. Step 5: Solve for x
   x = 138,565,299.29/17,091.56
6. Step 6: Final answer
   x = 8,107.24