Finding the Fourth Proportional to 13,156.76, 18,150.00 and 9,566.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,156.76 : 18,150.00 = 9,566.15 : x
2. Step 2: Convert to fraction form
   13,156.76/18,150.00 = 9,566.15/x
3. Step 3: Cross multiply
   13,156.76x = 18,150.00 × 9,566.15
4. Step 4: Simplify right side
   13,156.76x = 173,625,574.67
5. Step 5: Solve for x
   x = 173,625,574.67/13,156.76
6. Step 6: Final answer
   x = 13,196.69