Finding the Fourth Proportional to 11,819.40, 16,310.34 and 7,104.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,819.40 : 16,310.34 = 7,104.12 : x
2. Step 2: Convert to fraction form
   11,819.40/16,310.34 = 7,104.12/x
3. Step 3: Cross multiply
   11,819.40x = 16,310.34 × 7,104.12
4. Step 4: Simplify right side
   11,819.40x = 115,870,612.60
5. Step 5: Solve for x
   x = 115,870,612.60/11,819.40
6. Step 6: Final answer
   x = 9,803.43