Finding the Fourth Proportional to 2,685.76, 3,706.16 and 1,507.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.76 : 3,706.16 = 1,507.01 : x
2. Step 2: Convert to fraction form
   2,685.76/3,706.16 = 1,507.01/x
3. Step 3: Cross multiply
   2,685.76x = 3,706.16 × 1,507.01
4. Step 4: Simplify right side
   2,685.76x = 5,585,194.12
5. Step 5: Solve for x
   x = 5,585,194.12/2,685.76
6. Step 6: Final answer
   x = 2,079.56