Finding the Fourth Proportional to 2,527.81, 3,488.49 and 1,393.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,527.81 : 3,488.49 = 1,393.47 : x
2. Step 2: Convert to fraction form
   2,527.81/3,488.49 = 1,393.47/x
3. Step 3: Cross multiply
   2,527.81x = 3,488.49 × 1,393.47
4. Step 4: Simplify right side
   2,527.81x = 4,861,117.44
5. Step 5: Solve for x
   x = 4,861,117.44/2,527.81
6. Step 6: Final answer
   x = 1,923.06