Finding the Fourth Proportional to 13,488.28, 18,614.04 and 7,823.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,488.28 : 18,614.04 = 7,823.52 : x
2. Step 2: Convert to fraction form
   13,488.28/18,614.04 = 7,823.52/x
3. Step 3: Cross multiply
   13,488.28x = 18,614.04 × 7,823.52
4. Step 4: Simplify right side
   13,488.28x = 145,627,314.22
5. Step 5: Solve for x
   x = 145,627,314.22/13,488.28
6. Step 6: Final answer
   x = 10,796.58