Finding the Fourth Proportional to 2,284.34, 3,152.30 and 1,289.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.34 : 3,152.30 = 1,289.52 : x
2. Step 2: Convert to fraction form
   2,284.34/3,152.30 = 1,289.52/x
3. Step 3: Cross multiply
   2,284.34x = 3,152.30 × 1,289.52
4. Step 4: Simplify right side
   2,284.34x = 4,064,947.45
5. Step 5: Solve for x
   x = 4,064,947.45/2,284.34
6. Step 6: Final answer
   x = 1,779.49