Finding the Fourth Proportional to 13,176.72, 18,184.68 and 7,589.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,176.72 : 18,184.68 = 7,589.52 : x
2. Step 2: Convert to fraction form
   13,176.72/18,184.68 = 7,589.52/x
3. Step 3: Cross multiply
   13,176.72x = 18,184.68 × 7,589.52
4. Step 4: Simplify right side
   13,176.72x = 138,012,992.55
5. Step 5: Solve for x
   x = 138,012,992.55/13,176.72
6. Step 6: Final answer
   x = 10,474.00