Finding the Fourth Proportional to 2,239.60, 3,354.05 and 1,196.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,239.60 : 3,354.05 = 1,196.99 : x
2. Step 2: Convert to fraction form
   2,239.60/3,354.05 = 1,196.99/x
3. Step 3: Cross multiply
   2,239.60x = 3,354.05 × 1,196.99
4. Step 4: Simplify right side
   2,239.60x = 4,014,775.69
5. Step 5: Solve for x
   x = 4,014,775.69/2,239.60
6. Step 6: Final answer
   x = 1,792.63