Finding the Fourth Proportional to 2,695.45, 4,040.56 and 1,289.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,695.45 : 4,040.56 = 1,289.50 : x
2. Step 2: Convert to fraction form
   2,695.45/4,040.56 = 1,289.50/x
3. Step 3: Cross multiply
   2,695.45x = 4,040.56 × 1,289.50
4. Step 4: Simplify right side
   2,695.45x = 5,210,305.77
5. Step 5: Solve for x
   x = 5,210,305.77/2,695.45
6. Step 6: Final answer
   x = 1,933.00