Finding the Fourth Proportional to 2,239.10, 3,351.46 and 1,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,239.10 : 3,351.46 = 1,196.50 : x
2. Step 2: Convert to fraction form
   2,239.10/3,351.46 = 1,196.50/x
3. Step 3: Cross multiply
   2,239.10x = 3,351.46 × 1,196.50
4. Step 4: Simplify right side
   2,239.10x = 4,009,999.15
5. Step 5: Solve for x
   x = 4,009,999.15/2,239.10
6. Step 6: Final answer
   x = 1,790.90