Finding the Fourth Proportional to 2,104.23, 2,903.50 and 1,219.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.23 : 2,903.50 = 1,219.86 : x
2. Step 2: Convert to fraction form
   2,104.23/2,903.50 = 1,219.86/x
3. Step 3: Cross multiply
   2,104.23x = 2,903.50 × 1,219.86
4. Step 4: Simplify right side
   2,104.23x = 3,541,858.17
5. Step 5: Solve for x
   x = 3,541,858.17/2,104.23
6. Step 6: Final answer
   x = 1,683.21