Finding the Fourth Proportional to 2,085.99, 3,117.47 and 1,673.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.99 : 3,117.47 = 1,673.19 : x
2. Step 2: Convert to fraction form
   2,085.99/3,117.47 = 1,673.19/x
3. Step 3: Cross multiply
   2,085.99x = 3,117.47 × 1,673.19
4. Step 4: Simplify right side
   2,085.99x = 5,216,111.26
5. Step 5: Solve for x
   x = 5,216,111.26/2,085.99
6. Step 6: Final answer
   x = 2,500.54