Finding the Fourth Proportional to 2,686.47, 3,707.24 and 1,507.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.47 : 3,707.24 = 1,507.59 : x
2. Step 2: Convert to fraction form
   2,686.47/3,707.24 = 1,507.59/x
3. Step 3: Cross multiply
   2,686.47x = 3,707.24 × 1,507.59
4. Step 4: Simplify right side
   2,686.47x = 5,588,979.42
5. Step 5: Solve for x
   x = 5,588,979.42/2,686.47
6. Step 6: Final answer
   x = 2,080.42