Finding the Fourth Proportional to 7,100.60, 10,648.20 and 2,168.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.60 : 10,648.20 = 2,168.60 : x
2. Step 2: Convert to fraction form
   7,100.60/10,648.20 = 2,168.60/x
3. Step 3: Cross multiply
   7,100.60x = 10,648.20 × 2,168.60
4. Step 4: Simplify right side
   7,100.60x = 23,091,686.52
5. Step 5: Solve for x
   x = 23,091,686.52/7,100.60
6. Step 6: Final answer
   x = 3,252.08