Finding the Fourth Proportional to 22,157,571.82, 30,582,550.98 and 12,993,167.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,157,571.82 : 30,582,550.98 = 12,993,167.02 : x
2. Step 2: Convert to fraction form
   22,157,571.82/30,582,550.98 = 12,993,167.02/x
3. Step 3: Cross multiply
   22,157,571.82x = 30,582,550.98 × 12,993,167.02
4. Step 4: Simplify right side
   22,157,571.82x = 397,364,192,780,804.69
5. Step 5: Solve for x
   x = 397,364,192,780,804.69/22,157,571.82
6. Step 6: Final answer
   x = 17,933,562.22