Finding the Fourth Proportional to 3,861.59, 5,758.47 and 3,826.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,861.59 : 5,758.47 = 3,826.50 : x
2. Step 2: Convert to fraction form
   3,861.59/5,758.47 = 3,826.50/x
3. Step 3: Cross multiply
   3,861.59x = 5,758.47 × 3,826.50
4. Step 4: Simplify right side
   3,861.59x = 22,034,785.46
5. Step 5: Solve for x
   x = 22,034,785.46/3,861.59
6. Step 6: Final answer
   x = 5,706.15