Finding the Fourth Proportional to 12,771.03, 17,623.58 and 7,105.59

Step by Step Solution

1. Step 1: Write the proportion equation
   12,771.03 : 17,623.58 = 7,105.59 : x
2. Step 2: Convert to fraction form
   12,771.03/17,623.58 = 7,105.59/x
3. Step 3: Cross multiply
   12,771.03x = 17,623.58 × 7,105.59
4. Step 4: Simplify right side
   12,771.03x = 125,225,898.28
5. Step 5: Solve for x
   x = 125,225,898.28/12,771.03
6. Step 6: Final answer
   x = 9,805.47