Finding the Fourth Proportional to 17,091.81, 25,634.48 and 7,238.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,091.81 : 25,634.48 = 7,238.01 : x
2. Step 2: Convert to fraction form
   17,091.81/25,634.48 = 7,238.01/x
3. Step 3: Cross multiply
   17,091.81x = 25,634.48 × 7,238.01
4. Step 4: Simplify right side
   17,091.81x = 185,542,586.39
5. Step 5: Solve for x
   x = 185,542,586.39/17,091.81
6. Step 6: Final answer
   x = 10,855.64