Finding the Fourth Proportional to 2,686.52, 3,707.28 and 1,507.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.52 : 3,707.28 = 1,507.56 : x
2. Step 2: Convert to fraction form
   2,686.52/3,707.28 = 1,507.56/x
3. Step 3: Cross multiply
   2,686.52x = 3,707.28 × 1,507.56
4. Step 4: Simplify right side
   2,686.52x = 5,588,947.04
5. Step 5: Solve for x
   x = 5,588,947.04/2,686.52
6. Step 6: Final answer
   x = 2,080.37