Finding the Fourth Proportional to 12,722.38, 17,556.89 and 7,754.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,722.38 : 17,556.89 = 7,754.38 : x
2. Step 2: Convert to fraction form
   12,722.38/17,556.89 = 7,754.38/x
3. Step 3: Cross multiply
   12,722.38x = 17,556.89 × 7,754.38
4. Step 4: Simplify right side
   12,722.38x = 136,142,670.12
5. Step 5: Solve for x
   x = 136,142,670.12/12,722.38
6. Step 6: Final answer
   x = 10,701.04