Finding the Fourth Proportional to 2,114.61, 3,167.06 and 1,383.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.61 : 3,167.06 = 1,383.18 : x
2. Step 2: Convert to fraction form
   2,114.61/3,167.06 = 1,383.18/x
3. Step 3: Cross multiply
   2,114.61x = 3,167.06 × 1,383.18
4. Step 4: Simplify right side
   2,114.61x = 4,380,607.13
5. Step 5: Solve for x
   x = 4,380,607.13/2,114.61
6. Step 6: Final answer
   x = 2,071.59