Finding the Fourth Proportional to 13,932.07, 19,231.61 and 9,457.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,932.07 : 19,231.61 = 9,457.82 : x
2. Step 2: Convert to fraction form
   13,932.07/19,231.61 = 9,457.82/x
3. Step 3: Cross multiply
   13,932.07x = 19,231.61 × 9,457.82
4. Step 4: Simplify right side
   13,932.07x = 181,889,105.69
5. Step 5: Solve for x
   x = 181,889,105.69/13,932.07
6. Step 6: Final answer
   x = 13,055.43