Finding the Fourth Proportional to 1,409.40, 2,101.25 and 1,373.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,409.40 : 2,101.25 = 1,373.47 : x
2. Step 2: Convert to fraction form
   1,409.40/2,101.25 = 1,373.47/x
3. Step 3: Cross multiply
   1,409.40x = 2,101.25 × 1,373.47
4. Step 4: Simplify right side
   1,409.40x = 2,886,002.02
5. Step 5: Solve for x
   x = 2,886,002.02/1,409.40
6. Step 6: Final answer
   x = 2,047.68