Finding the Fourth Proportional to 9,164.56, 13,746.78 and 2,239

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.56 : 13,746.78 = 2,239 : x
2. Step 2: Convert to fraction form
   9,164.56/13,746.78 = 2,239/x
3. Step 3: Cross multiply
   9,164.56x = 13,746.78 × 2,239
4. Step 4: Simplify right side
   9,164.56x = 30,779,040.42
5. Step 5: Solve for x
   x = 30,779,040.42/9,164.56
6. Step 6: Final answer
   x = 3,358.49