Finding the Fourth Proportional to 9,164.34, 13,747.73 and 2,590.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.34 : 13,747.73 = 2,590.38 : x
2. Step 2: Convert to fraction form
   9,164.34/13,747.73 = 2,590.38/x
3. Step 3: Cross multiply
   9,164.34x = 13,747.73 × 2,590.38
4. Step 4: Simplify right side
   9,164.34x = 35,611,831.89
5. Step 5: Solve for x
   x = 35,611,831.89/9,164.34
6. Step 6: Final answer
   x = 3,885.91