Finding the Fourth Proportional to 4,131.12, 6,196.72 and 1,209.48

Step by Step Solution

1. Step 1: Write the proportion equation
   4,131.12 : 6,196.72 = 1,209.48 : x
2. Step 2: Convert to fraction form
   4,131.12/6,196.72 = 1,209.48/x
3. Step 3: Cross multiply
   4,131.12x = 6,196.72 × 1,209.48
4. Step 4: Simplify right side
   4,131.12x = 7,494,808.91
5. Step 5: Solve for x
   x = 7,494,808.91/4,131.12
6. Step 6: Final answer
   x = 1,814.23