Finding the Fourth Proportional to 13,013.55, 19,523.97 and 5,227.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,013.55 : 19,523.97 = 5,227.83 : x
2. Step 2: Convert to fraction form
   13,013.55/19,523.97 = 5,227.83/x
3. Step 3: Cross multiply
   13,013.55x = 19,523.97 × 5,227.83
4. Step 4: Simplify right side
   13,013.55x = 102,068,064.50
5. Step 5: Solve for x
   x = 102,068,064.50/13,013.55
6. Step 6: Final answer
   x = 7,843.21