Finding the Fourth Proportional to 9,279.69, 13,920.34 and 2,354.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,279.69 : 13,920.34 = 2,354.19 : x
2. Step 2: Convert to fraction form
   9,279.69/13,920.34 = 2,354.19/x
3. Step 3: Cross multiply
   9,279.69x = 13,920.34 × 2,354.19
4. Step 4: Simplify right side
   9,279.69x = 32,771,096.31
5. Step 5: Solve for x
   x = 32,771,096.31/9,279.69
6. Step 6: Final answer
   x = 3,531.49