Finding the Fourth Proportional to 2,148.77, 2,964.25 and 1,353.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.77 : 2,964.25 = 1,353.05 : x
2. Step 2: Convert to fraction form
   2,148.77/2,964.25 = 1,353.05/x
3. Step 3: Cross multiply
   2,148.77x = 2,964.25 × 1,353.05
4. Step 4: Simplify right side
   2,148.77x = 4,010,771.70
5. Step 5: Solve for x
   x = 4,010,771.70/2,148.77
6. Step 6: Final answer
   x = 1,866.54