Finding the Fourth Proportional to 13,084.36, 18,056.04 and 7,419.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,084.36 : 18,056.04 = 7,419.63 : x
2. Step 2: Convert to fraction form
   13,084.36/18,056.04 = 7,419.63/x
3. Step 3: Cross multiply
   13,084.36x = 18,056.04 × 7,419.63
4. Step 4: Simplify right side
   13,084.36x = 133,969,053.83
5. Step 5: Solve for x
   x = 133,969,053.83/13,084.36
6. Step 6: Final answer
   x = 10,238.87