Finding the Fourth Proportional to 2,106.04, 2,905.50 and 1,319.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106.04 : 2,905.50 = 1,319.56 : x
2. Step 2: Convert to fraction form
   2,106.04/2,905.50 = 1,319.56/x
3. Step 3: Cross multiply
   2,106.04x = 2,905.50 × 1,319.56
4. Step 4: Simplify right side
   2,106.04x = 3,833,981.58
5. Step 5: Solve for x
   x = 3,833,981.58/2,106.04
6. Step 6: Final answer
   x = 1,820.47