Finding the Fourth Proportional to 13,271.98, 18,316.56 and 7,304.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,271.98 : 18,316.56 = 7,304.86 : x
2. Step 2: Convert to fraction form
   13,271.98/18,316.56 = 7,304.86/x
3. Step 3: Cross multiply
   13,271.98x = 18,316.56 × 7,304.86
4. Step 4: Simplify right side
   13,271.98x = 133,799,906.48
5. Step 5: Solve for x
   x = 133,799,906.48/13,271.98
6. Step 6: Final answer
   x = 10,081.38