Finding the Fourth Proportional to 2,040.47, 2,814.88 and 1,377.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.47 : 2,814.88 = 1,377.53 : x
2. Step 2: Convert to fraction form
   2,040.47/2,814.88 = 1,377.53/x
3. Step 3: Cross multiply
   2,040.47x = 2,814.88 × 1,377.53
4. Step 4: Simplify right side
   2,040.47x = 3,877,581.65
5. Step 5: Solve for x
   x = 3,877,581.65/2,040.47
6. Step 6: Final answer
   x = 1,900.34