Finding the Fourth Proportional to 13,275.69, 19,922.58 and 5,484.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,275.69 : 19,922.58 = 5,484.45 : x
2. Step 2: Convert to fraction form
   13,275.69/19,922.58 = 5,484.45/x
3. Step 3: Cross multiply
   13,275.69x = 19,922.58 × 5,484.45
4. Step 4: Simplify right side
   13,275.69x = 109,264,393.88
5. Step 5: Solve for x
   x = 109,264,393.88/13,275.69
6. Step 6: Final answer
   x = 8,230.41