Finding the Fourth Proportional to 2,685.59, 3,706.28 and 1,506.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.59 : 3,706.28 = 1,506.74 : x
2. Step 2: Convert to fraction form
   2,685.59/3,706.28 = 1,506.74/x
3. Step 3: Cross multiply
   2,685.59x = 3,706.28 × 1,506.74
4. Step 4: Simplify right side
   2,685.59x = 5,584,385.56
5. Step 5: Solve for x
   x = 5,584,385.56/2,685.59
6. Step 6: Final answer
   x = 2,079.39