Finding the Fourth Proportional to 13,081.48, 18,055.04 and 7,416.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,081.48 : 18,055.04 = 7,416.34 : x
2. Step 2: Convert to fraction form
   13,081.48/18,055.04 = 7,416.34/x
3. Step 3: Cross multiply
   13,081.48x = 18,055.04 × 7,416.34
4. Step 4: Simplify right side
   13,081.48x = 133,902,233.13
5. Step 5: Solve for x
   x = 133,902,233.13/13,081.48
6. Step 6: Final answer
   x = 10,236.02