Finding the Fourth Proportional to 13,260.38, 19,891.35 and 5,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,260.38 : 19,891.35 = 5,466.50 : x
2. Step 2: Convert to fraction form
   13,260.38/19,891.35 = 5,466.50/x
3. Step 3: Cross multiply
   13,260.38x = 19,891.35 × 5,466.50
4. Step 4: Simplify right side
   13,260.38x = 108,736,064.78
5. Step 5: Solve for x
   x = 108,736,064.78/13,260.38
6. Step 6: Final answer
   x = 8,200.07