Finding the Fourth Proportional to 3,716.50, 5,129.34 and 2,372.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,716.50 : 5,129.34 = 2,372.69 : x
2. Step 2: Convert to fraction form
   3,716.50/5,129.34 = 2,372.69/x
3. Step 3: Cross multiply
   3,716.50x = 5,129.34 × 2,372.69
4. Step 4: Simplify right side
   3,716.50x = 12,170,333.72
5. Step 5: Solve for x
   x = 12,170,333.72/3,716.50
6. Step 6: Final answer
   x = 3,274.68