Finding the Fourth Proportional to 22,162,772.69, 30,587,447.63 and 12,868,492.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,162,772.69 : 30,587,447.63 = 12,868,492.49 : x
2. Step 2: Convert to fraction form
   22,162,772.69/30,587,447.63 = 12,868,492.49/x
3. Step 3: Cross multiply
   22,162,772.69x = 30,587,447.63 × 12,868,492.49
4. Step 4: Simplify right side
   22,162,772.69x = 393,614,339,994,157.25
5. Step 5: Solve for x
   x = 393,614,339,994,157.25/22,162,772.69
6. Step 6: Final answer
   x = 17,760,157.79