Finding the Fourth Proportional to 3,456.02, 4,769.52 and 2,130.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,456.02 : 4,769.52 = 2,130.38 : x
2. Step 2: Convert to fraction form
   3,456.02/4,769.52 = 2,130.38/x
3. Step 3: Cross multiply
   3,456.02x = 4,769.52 × 2,130.38
4. Step 4: Simplify right side
   3,456.02x = 10,160,890.02
5. Step 5: Solve for x
   x = 10,160,890.02/3,456.02
6. Step 6: Final answer
   x = 2,940.06