Finding the Fourth Proportional to 2,702.69, 3,729.61 and 1,507.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,702.69 : 3,729.61 = 1,507.61 : x
2. Step 2: Convert to fraction form
   2,702.69/3,729.61 = 1,507.61/x
3. Step 3: Cross multiply
   2,702.69x = 3,729.61 × 1,507.61
4. Step 4: Simplify right side
   2,702.69x = 5,622,808.54
5. Step 5: Solve for x
   x = 5,622,808.54/2,702.69
6. Step 6: Final answer
   x = 2,080.45