Finding the Fourth Proportional to 6,861.69, 10,292.46 and 1,667.57

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.69 : 10,292.46 = 1,667.57 : x
2. Step 2: Convert to fraction form
   6,861.69/10,292.46 = 1,667.57/x
3. Step 3: Cross multiply
   6,861.69x = 10,292.46 × 1,667.57
4. Step 4: Simplify right side
   6,861.69x = 17,163,397.52
5. Step 5: Solve for x
   x = 17,163,397.52/6,861.69
6. Step 6: Final answer
   x = 2,501.34