Finding the Fourth Proportional to 9,354.32, 12,910.56 and 5,819.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,354.32 : 12,910.56 = 5,819.12 : x
2. Step 2: Convert to fraction form
   9,354.32/12,910.56 = 5,819.12/x
3. Step 3: Cross multiply
   9,354.32x = 12,910.56 × 5,819.12
4. Step 4: Simplify right side
   9,354.32x = 75,128,097.91
5. Step 5: Solve for x
   x = 75,128,097.91/9,354.32
6. Step 6: Final answer
   x = 8,031.38