Finding the Fourth Proportional to 3,686.83, 5,527.46 and 2,225.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,686.83 : 5,527.46 = 2,225.63 : x
2. Step 2: Convert to fraction form
   3,686.83/5,527.46 = 2,225.63/x
3. Step 3: Cross multiply
   3,686.83x = 5,527.46 × 2,225.63
4. Step 4: Simplify right side
   3,686.83x = 12,302,100.18
5. Step 5: Solve for x
   x = 12,302,100.18/3,686.83
6. Step 6: Final answer
   x = 3,336.77