Finding the Fourth Proportional to 13,301.61, 18,356.35 and 7,333.49

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.61 : 18,356.35 = 7,333.49 : x
2. Step 2: Convert to fraction form
   13,301.61/18,356.35 = 7,333.49/x
3. Step 3: Cross multiply
   13,301.61x = 18,356.35 × 7,333.49
4. Step 4: Simplify right side
   13,301.61x = 134,616,136.72
5. Step 5: Solve for x
   x = 134,616,136.72/13,301.61
6. Step 6: Final answer
   x = 10,120.29