Finding the Fourth Proportional to 17,191.91, 25,788.22 and 5,505.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,191.91 : 25,788.22 = 5,505.09 : x
2. Step 2: Convert to fraction form
   17,191.91/25,788.22 = 5,505.09/x
3. Step 3: Cross multiply
   17,191.91x = 25,788.22 × 5,505.09
4. Step 4: Simplify right side
   17,191.91x = 141,966,444.51
5. Step 5: Solve for x
   x = 141,966,444.51/17,191.91
6. Step 6: Final answer
   x = 8,257.75