Finding the Fourth Proportional to 6,861.58, 10,292.34 and 1,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,861.58 : 10,292.34 = 1,667.50 : x
2. Step 2: Convert to fraction form
   6,861.58/10,292.34 = 1,667.50/x
3. Step 3: Cross multiply
   6,861.58x = 10,292.34 × 1,667.50
4. Step 4: Simplify right side
   6,861.58x = 17,162,476.95
5. Step 5: Solve for x
   x = 17,162,476.95/6,861.58
6. Step 6: Final answer
   x = 2,501.24