Finding the Fourth Proportional to 12,942,426.93, 17,860,923 and 7,141,582.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,942,426.93 : 17,860,923 = 7,141,582.23 : x
2. Step 2: Convert to fraction form
   12,942,426.93/17,860,923 = 7,141,582.23/x
3. Step 3: Cross multiply
   12,942,426.93x = 17,860,923 × 7,141,582.23
4. Step 4: Simplify right side
   12,942,426.93x = 127,555,250,308,198.30
5. Step 5: Solve for x
   x = 127,555,250,308,198.30/12,942,426.93
6. Step 6: Final answer
   x = 9,855,589.76