Finding the Fourth Proportional to 3,059.86, 4,222.61 and 1,662.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,059.86 : 4,222.61 = 1,662.61 : x
2. Step 2: Convert to fraction form
   3,059.86/4,222.61 = 1,662.61/x
3. Step 3: Cross multiply
   3,059.86x = 4,222.61 × 1,662.61
4. Step 4: Simplify right side
   3,059.86x = 7,020,544.22
5. Step 5: Solve for x
   x = 7,020,544.22/3,059.86
6. Step 6: Final answer
   x = 2,294.40