Finding the Fourth Proportional to 2,236.01, 3,085.29 and 1,291.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,236.01 : 3,085.29 = 1,291.82 : x
2. Step 2: Convert to fraction form
   2,236.01/3,085.29 = 1,291.82/x
3. Step 3: Cross multiply
   2,236.01x = 3,085.29 × 1,291.82
4. Step 4: Simplify right side
   2,236.01x = 3,985,623.90
5. Step 5: Solve for x
   x = 3,985,623.90/2,236.01
6. Step 6: Final answer
   x = 1,782.48