Finding the Fourth Proportional to 2,686.46, 3,707.50 and 1,507.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,686.46 : 3,707.50 = 1,507.62 : x
2. Step 2: Convert to fraction form
   2,686.46/3,707.50 = 1,507.62/x
3. Step 3: Cross multiply
   2,686.46x = 3,707.50 × 1,507.62
4. Step 4: Simplify right side
   2,686.46x = 5,589,501.15
5. Step 5: Solve for x
   x = 5,589,501.15/2,686.46
6. Step 6: Final answer
   x = 2,080.62