Finding the Fourth Proportional to 6,861.42, 10,292.04 and 1,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.42 : 10,292.04 = 1,667.25 : x
2. Step 2: Convert to fraction form
   6,861.42/10,292.04 = 1,667.25/x
3. Step 3: Cross multiply
   6,861.42x = 10,292.04 × 1,667.25
4. Step 4: Simplify right side
   6,861.42x = 17,159,403.69
5. Step 5: Solve for x
   x = 17,159,403.69/6,861.42
6. Step 6: Final answer
   x = 2,500.85