Finding the Fourth Proportional to 9,279.15, 13,915.78 and 3,038.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.15 : 13,915.78 = 3,038.15 : x
2. Step 2: Convert to fraction form
   9,279.15/13,915.78 = 3,038.15/x
3. Step 3: Cross multiply
   9,279.15x = 13,915.78 × 3,038.15
4. Step 4: Simplify right side
   9,279.15x = 42,278,227.01
5. Step 5: Solve for x
   x = 42,278,227.01/9,279.15
6. Step 6: Final answer
   x = 4,556.26