Finding the Fourth Proportional to 2,164.78, 2,988.55 and 1,734.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,164.78 : 2,988.55 = 1,734.73 : x
2. Step 2: Convert to fraction form
   2,164.78/2,988.55 = 1,734.73/x
3. Step 3: Cross multiply
   2,164.78x = 2,988.55 × 1,734.73
4. Step 4: Simplify right side
   2,164.78x = 5,184,327.34
5. Step 5: Solve for x
   x = 5,184,327.34/2,164.78
6. Step 6: Final answer
   x = 2,394.85