Finding the Fourth Proportional to 2,284.50, 3,152.70 and 1,289.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.50 : 3,152.70 = 1,289.73 : x
2. Step 2: Convert to fraction form
   2,284.50/3,152.70 = 1,289.73/x
3. Step 3: Cross multiply
   2,284.50x = 3,152.70 × 1,289.73
4. Step 4: Simplify right side
   2,284.50x = 4,066,131.77
5. Step 5: Solve for x
   x = 4,066,131.77/2,284.50
6. Step 6: Final answer
   x = 1,779.88