Finding the Fourth Proportional to 13,164.77, 19,747.15 and 5,270.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.77 : 19,747.15 = 5,270.83 : x
2. Step 2: Convert to fraction form
   13,164.77/19,747.15 = 5,270.83/x
3. Step 3: Cross multiply
   13,164.77x = 19,747.15 × 5,270.83
4. Step 4: Simplify right side
   13,164.77x = 104,083,870.63
5. Step 5: Solve for x
   x = 104,083,870.63/13,164.77
6. Step 6: Final answer
   x = 7,906.24