Finding the Fourth Proportional to 3,389.48, 5,085.82 and 1,199.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,389.48 : 5,085.82 = 1,199.24 : x
2. Step 2: Convert to fraction form
   3,389.48/5,085.82 = 1,199.24/x
3. Step 3: Cross multiply
   3,389.48x = 5,085.82 × 1,199.24
4. Step 4: Simplify right side
   3,389.48x = 6,099,118.78
5. Step 5: Solve for x
   x = 6,099,118.78/3,389.48
6. Step 6: Final answer
   x = 1,799.43