Finding the Fourth Proportional to 1,805.41, 2,491.42 and 1,019.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.41 : 2,491.42 = 1,019.47 : x
2. Step 2: Convert to fraction form
   1,805.41/2,491.42 = 1,019.47/x
3. Step 3: Cross multiply
   1,805.41x = 2,491.42 × 1,019.47
4. Step 4: Simplify right side
   1,805.41x = 2,539,927.95
5. Step 5: Solve for x
   x = 2,539,927.95/1,805.41
6. Step 6: Final answer
   x = 1,406.84