Finding the Fourth Proportional to 17,769.72, 26,650.05 and 5,286.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,769.72 : 26,650.05 = 5,286.94 : x
2. Step 2: Convert to fraction form
   17,769.72/26,650.05 = 5,286.94/x
3. Step 3: Cross multiply
   17,769.72x = 26,650.05 × 5,286.94
4. Step 4: Simplify right side
   17,769.72x = 140,897,215.35
5. Step 5: Solve for x
   x = 140,897,215.35/17,769.72
6. Step 6: Final answer
   x = 7,929.06