Finding the Fourth Proportional to 1,804.94, 2,490.83 and 1,058.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804.94 : 2,490.83 = 1,058.91 : x
2. Step 2: Convert to fraction form
   1,804.94/2,490.83 = 1,058.91/x
3. Step 3: Cross multiply
   1,804.94x = 2,490.83 × 1,058.91
4. Step 4: Simplify right side
   1,804.94x = 2,637,559.50
5. Step 5: Solve for x
   x = 2,637,559.50/1,804.94
6. Step 6: Final answer
   x = 1,461.30