Finding the Fourth Proportional to 13,164.04, 19,732.72 and 5,672.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.04 : 19,732.72 = 5,672.48 : x
2. Step 2: Convert to fraction form
   13,164.04/19,732.72 = 5,672.48/x
3. Step 3: Cross multiply
   13,164.04x = 19,732.72 × 5,672.48
4. Step 4: Simplify right side
   13,164.04x = 111,933,459.55
5. Step 5: Solve for x
   x = 111,933,459.55/13,164.04
6. Step 6: Final answer
   x = 8,502.97