Finding the Fourth Proportional to 13,272.57, 18,316.17 and 7,304.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,272.57 : 18,316.17 = 7,304.04 : x
2. Step 2: Convert to fraction form
   13,272.57/18,316.17 = 7,304.04/x
3. Step 3: Cross multiply
   13,272.57x = 18,316.17 × 7,304.04
4. Step 4: Simplify right side
   13,272.57x = 133,782,038.33
5. Step 5: Solve for x
   x = 133,782,038.33/13,272.57
6. Step 6: Final answer
   x = 10,079.59