Finding the Fourth Proportional to 13,978,651.73, 19,296,491.24 and 9,397,630.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,978,651.73 : 19,296,491.24 = 9,397,630.31 : x
2. Step 2: Convert to fraction form
   13,978,651.73/19,296,491.24 = 9,397,630.31/x
3. Step 3: Cross multiply
   13,978,651.73x = 19,296,491.24 × 9,397,630.31
4. Step 4: Simplify right side
   13,978,651.73x = 181,341,290,906,685.34
5. Step 5: Solve for x
   x = 181,341,290,906,685.34/13,978,651.73
6. Step 6: Final answer
   x = 12,972,731.16