Finding the Fourth Proportional to 13,026.23, 19,540.25 and 5,235.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.23 : 19,540.25 = 5,235.05 : x
2. Step 2: Convert to fraction form
   13,026.23/19,540.25 = 5,235.05/x
3. Step 3: Cross multiply
   13,026.23x = 19,540.25 × 5,235.05
4. Step 4: Simplify right side
   13,026.23x = 102,294,185.76
5. Step 5: Solve for x
   x = 102,294,185.76/13,026.23
6. Step 6: Final answer
   x = 7,852.94