Finding the Fourth Proportional to 13,084.72, 18,056.01 and 7,418.89

Step by Step Solution

1. Step 1: Write the proportion equation
   13,084.72 : 18,056.01 = 7,418.89 : x
2. Step 2: Convert to fraction form
   13,084.72/18,056.01 = 7,418.89/x
3. Step 3: Cross multiply
   13,084.72x = 18,056.01 × 7,418.89
4. Step 4: Simplify right side
   13,084.72x = 133,955,552.03
5. Step 5: Solve for x
   x = 133,955,552.03/13,084.72
6. Step 6: Final answer
   x = 10,237.56