Finding the Fourth Proportional to 13,351.83, 18,425.81 and 7,383.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,351.83 : 18,425.81 = 7,383.91 : x
2. Step 2: Convert to fraction form
   13,351.83/18,425.81 = 7,383.91/x
3. Step 3: Cross multiply
   13,351.83x = 18,425.81 × 7,383.91
4. Step 4: Simplify right side
   13,351.83x = 136,054,522.72
5. Step 5: Solve for x
   x = 136,054,522.72/13,351.83
6. Step 6: Final answer
   x = 10,189.95