Finding the Fourth Proportional to 2,104.47, 3,151.04 and 1,372.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.47 : 3,151.04 = 1,372.23 : x
2. Step 2: Convert to fraction form
   2,104.47/3,151.04 = 1,372.23/x
3. Step 3: Cross multiply
   2,104.47x = 3,151.04 × 1,372.23
4. Step 4: Simplify right side
   2,104.47x = 4,323,944.76
5. Step 5: Solve for x
   x = 4,323,944.76/2,104.47
6. Step 6: Final answer
   x = 2,054.65