Finding the Fourth Proportional to 6,271.22, 9,407.48 and 2,111.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,271.22 : 9,407.48 = 2,111.69 : x
2. Step 2: Convert to fraction form
   6,271.22/9,407.48 = 2,111.69/x
3. Step 3: Cross multiply
   6,271.22x = 9,407.48 × 2,111.69
4. Step 4: Simplify right side
   6,271.22x = 19,865,623.85
5. Step 5: Solve for x
   x = 19,865,623.85/6,271.22
6. Step 6: Final answer
   x = 3,167.75