Finding the Fourth Proportional to 2,541.52, 3,814.68 and 1,309.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,541.52 : 3,814.68 = 1,309.80 : x
2. Step 2: Convert to fraction form
   2,541.52/3,814.68 = 1,309.80/x
3. Step 3: Cross multiply
   2,541.52x = 3,814.68 × 1,309.80
4. Step 4: Simplify right side
   2,541.52x = 4,996,467.86
5. Step 5: Solve for x
   x = 4,996,467.86/2,541.52
6. Step 6: Final answer
   x = 1,965.94