Finding the Fourth Proportional to 14,009.42, 19,340.91 and 9,300.14

Step by Step Solution

1. Step 1: Write the proportion equation
   14,009.42 : 19,340.91 = 9,300.14 : x
2. Step 2: Convert to fraction form
   14,009.42/19,340.91 = 9,300.14/x
3. Step 3: Cross multiply
   14,009.42x = 19,340.91 × 9,300.14
4. Step 4: Simplify right side
   14,009.42x = 179,873,170.73
5. Step 5: Solve for x
   x = 179,873,170.73/14,009.42
6. Step 6: Final answer
   x = 12,839.44