Finding the Fourth Proportional to 1,805.77, 2,491.94 and 1,059.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.77 : 2,491.94 = 1,059.59 : x
2. Step 2: Convert to fraction form
   1,805.77/2,491.94 = 1,059.59/x
3. Step 3: Cross multiply
   1,805.77x = 2,491.94 × 1,059.59
4. Step 4: Simplify right side
   1,805.77x = 2,640,444.11
5. Step 5: Solve for x
   x = 2,640,444.11/1,805.77
6. Step 6: Final answer
   x = 1,462.23