Finding the Fourth Proportional to 2,702.05, 3,728.81 and 1,507.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.05 : 3,728.81 = 1,507.04 : x
2. Step 2: Convert to fraction form
   2,702.05/3,728.81 = 1,507.04/x
3. Step 3: Cross multiply
   2,702.05x = 3,728.81 × 1,507.04
4. Step 4: Simplify right side
   2,702.05x = 5,619,465.82
5. Step 5: Solve for x
   x = 5,619,465.82/2,702.05
6. Step 6: Final answer
   x = 2,079.70