Finding the Fourth Proportional to 2,072.22, 2,860.47 and 1,373.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,072.22 : 2,860.47 = 1,373.34 : x
2. Step 2: Convert to fraction form
   2,072.22/2,860.47 = 1,373.34/x
3. Step 3: Cross multiply
   2,072.22x = 2,860.47 × 1,373.34
4. Step 4: Simplify right side
   2,072.22x = 3,928,397.87
5. Step 5: Solve for x
   x = 3,928,397.87/2,072.22
6. Step 6: Final answer
   x = 1,895.74