Finding the Fourth Proportional to 2,169.56, 2,994.06 and 1,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,169.56 : 2,994.06 = 1,238 : x
2. Step 2: Convert to fraction form
   2,169.56/2,994.06 = 1,238/x
3. Step 3: Cross multiply
   2,169.56x = 2,994.06 × 1,238
4. Step 4: Simplify right side
   2,169.56x = 3,706,646.28
5. Step 5: Solve for x
   x = 3,706,646.28/2,169.56
6. Step 6: Final answer
   x = 1,708.48