Finding the Fourth Proportional to 12,417.03, 18,622.83 and 7,961.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.03 : 18,622.83 = 7,961.34 : x
2. Step 2: Convert to fraction form
   12,417.03/18,622.83 = 7,961.34/x
3. Step 3: Cross multiply
   12,417.03x = 18,622.83 × 7,961.34
4. Step 4: Simplify right side
   12,417.03x = 148,262,681.39
5. Step 5: Solve for x
   x = 148,262,681.39/12,417.03
6. Step 6: Final answer
   x = 11,940.27