Finding the Fourth Proportional to 2,804.58, 4,205.30 and 1,162.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.58 : 4,205.30 = 1,162.31 : x
2. Step 2: Convert to fraction form
   2,804.58/4,205.30 = 1,162.31/x
3. Step 3: Cross multiply
   2,804.58x = 4,205.30 × 1,162.31
4. Step 4: Simplify right side
   2,804.58x = 4,887,835.40
5. Step 5: Solve for x
   x = 4,887,835.40/2,804.58
6. Step 6: Final answer
   x = 1,742.80