Finding the Fourth Proportional to 2,685.67, 3,706.29 and 1,507.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.67 : 3,706.29 = 1,507.03 : x
2. Step 2: Convert to fraction form
   2,685.67/3,706.29 = 1,507.03/x
3. Step 3: Cross multiply
   2,685.67x = 3,706.29 × 1,507.03
4. Step 4: Simplify right side
   2,685.67x = 5,585,490.22
5. Step 5: Solve for x
   x = 5,585,490.22/2,685.67
6. Step 6: Final answer
   x = 2,079.74