Finding the Fourth Proportional to 13,300.69, 18,358.49 and 7,854.53

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.69 : 18,358.49 = 7,854.53 : x
2. Step 2: Convert to fraction form
   13,300.69/18,358.49 = 7,854.53/x
3. Step 3: Cross multiply
   13,300.69x = 18,358.49 × 7,854.53
4. Step 4: Simplify right side
   13,300.69x = 144,197,317.08
5. Step 5: Solve for x
   x = 144,197,317.08/13,300.69
6. Step 6: Final answer
   x = 10,841.34