Finding the Fourth Proportional to 12,722, 19,091.10 and 5,796.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,722 : 19,091.10 = 5,796.50 : x
2. Step 2: Convert to fraction form
   12,722/19,091.10 = 5,796.50/x
3. Step 3: Cross multiply
   12,722x = 19,091.10 × 5,796.50
4. Step 4: Simplify right side
   12,722x = 110,661,561.15
5. Step 5: Solve for x
   x = 110,661,561.15/12,722
6. Step 6: Final answer
   x = 8,698.44