Finding the Fourth Proportional to 22,196.83, 30,632.54 and 12,765.40

Step by Step Solution

1. Step 1: Write the proportion equation
   22,196.83 : 30,632.54 = 12,765.40 : x
2. Step 2: Convert to fraction form
   22,196.83/30,632.54 = 12,765.40/x
3. Step 3: Cross multiply
   22,196.83x = 30,632.54 × 12,765.40
4. Step 4: Simplify right side
   22,196.83x = 391,036,562.29
5. Step 5: Solve for x
   x = 391,036,562.29/22,196.83
6. Step 6: Final answer
   x = 17,616.78