Finding the Fourth Proportional to 13,164, 18,166.32 and 7,276

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164 : 18,166.32 = 7,276 : x
2. Step 2: Convert to fraction form
   13,164/18,166.32 = 7,276/x
3. Step 3: Cross multiply
   13,164x = 18,166.32 × 7,276
4. Step 4: Simplify right side
   13,164x = 132,178,144.32
5. Step 5: Solve for x
   x = 132,178,144.32/13,164
6. Step 6: Final answer
   x = 10,040.88