Finding the Fourth Proportional to 13,164.06, 18,164.61 and 7,575.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.06 : 18,164.61 = 7,575.06 : x
2. Step 2: Convert to fraction form
   13,164.06/18,164.61 = 7,575.06/x
3. Step 3: Cross multiply
   13,164.06x = 18,164.61 × 7,575.06
4. Step 4: Simplify right side
   13,164.06x = 137,598,010.63
5. Step 5: Solve for x
   x = 137,598,010.63/13,164.06
6. Step 6: Final answer
   x = 10,452.55