Finding the Fourth Proportional to 2,686.34, 3,707.32 and 1,507.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.34 : 3,707.32 = 1,507.49 : x
2. Step 2: Convert to fraction form
   2,686.34/3,707.32 = 1,507.49/x
3. Step 3: Cross multiply
   2,686.34x = 3,707.32 × 1,507.49
4. Step 4: Simplify right side
   2,686.34x = 5,588,725.52
5. Step 5: Solve for x
   x = 5,588,725.52/2,686.34
6. Step 6: Final answer
   x = 2,080.43