Finding the Fourth Proportional to 3,006.72, 4,510.69 and 1,275.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,006.72 : 4,510.69 = 1,275.34 : x
2. Step 2: Convert to fraction form
   3,006.72/4,510.69 = 1,275.34/x
3. Step 3: Cross multiply
   3,006.72x = 4,510.69 × 1,275.34
4. Step 4: Simplify right side
   3,006.72x = 5,752,663.38
5. Step 5: Solve for x
   x = 5,752,663.38/3,006.72
6. Step 6: Final answer
   x = 1,913.27