Finding the Fourth Proportional to 16,162,715.20, 22,305,019.86 and 8,821,019.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,162,715.20 : 22,305,019.86 = 8,821,019.24 : x
2. Step 2: Convert to fraction form
   16,162,715.20/22,305,019.86 = 8,821,019.24/x
3. Step 3: Cross multiply
   16,162,715.20x = 22,305,019.86 × 8,821,019.24
4. Step 4: Simplify right side
   16,162,715.20x = 196,753,009,333,642.09
5. Step 5: Solve for x
   x = 196,753,009,333,642.09/16,162,715.20
6. Step 6: Final answer
   x = 12,173,264.63