Finding the Fourth Proportional to 10,930.83, 16,404.83 and 7,622.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,930.83 : 16,404.83 = 7,622.39 : x
2. Step 2: Convert to fraction form
   10,930.83/16,404.83 = 7,622.39/x
3. Step 3: Cross multiply
   10,930.83x = 16,404.83 × 7,622.39
4. Step 4: Simplify right side
   10,930.83x = 125,044,012.14
5. Step 5: Solve for x
   x = 125,044,012.14/10,930.83
6. Step 6: Final answer
   x = 11,439.57