Finding the Fourth Proportional to 7,100.48, 10,647.72 and 2,169

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.48 : 10,647.72 = 2,169 : x
2. Step 2: Convert to fraction form
   7,100.48/10,647.72 = 2,169/x
3. Step 3: Cross multiply
   7,100.48x = 10,647.72 × 2,169
4. Step 4: Simplify right side
   7,100.48x = 23,094,904.68
5. Step 5: Solve for x
   x = 23,094,904.68/7,100.48
6. Step 6: Final answer
   x = 3,252.58