Finding the Fourth Proportional to 3,706.59, 5,115.25 and 2,134.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,706.59 : 5,115.25 = 2,134.69 : x
2. Step 2: Convert to fraction form
   3,706.59/5,115.25 = 2,134.69/x
3. Step 3: Cross multiply
   3,706.59x = 5,115.25 × 2,134.69
4. Step 4: Simplify right side
   3,706.59x = 10,919,462.90
5. Step 5: Solve for x
   x = 10,919,462.90/3,706.59
6. Step 6: Final answer
   x = 2,945.96