Finding the Fourth Proportional to 2,104.71, 2,904.46 and 1,319.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.71 : 2,904.46 = 1,319.19 : x
2. Step 2: Convert to fraction form
   2,104.71/2,904.46 = 1,319.19/x
3. Step 3: Cross multiply
   2,104.71x = 2,904.46 × 1,319.19
4. Step 4: Simplify right side
   2,104.71x = 3,831,534.59
5. Step 5: Solve for x
   x = 3,831,534.59/2,104.71
6. Step 6: Final answer
   x = 1,820.46