Finding the Fourth Proportional to 2,686.39, 3,706.94 and 1,507.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.39 : 3,706.94 = 1,507.59 : x
2. Step 2: Convert to fraction form
   2,686.39/3,706.94 = 1,507.59/x
3. Step 3: Cross multiply
   2,686.39x = 3,706.94 × 1,507.59
4. Step 4: Simplify right side
   2,686.39x = 5,588,538.14
5. Step 5: Solve for x
   x = 5,588,538.14/2,686.39
6. Step 6: Final answer
   x = 2,080.32