Finding the Fourth Proportional to 13,083.16, 19,622.56 and 3,847

Step by Step Solution

1. Step 1: Write the proportion equation
   13,083.16 : 19,622.56 = 3,847 : x
2. Step 2: Convert to fraction form
   13,083.16/19,622.56 = 3,847/x
3. Step 3: Cross multiply
   13,083.16x = 19,622.56 × 3,847
4. Step 4: Simplify right side
   13,083.16x = 75,487,988.32
5. Step 5: Solve for x
   x = 75,487,988.32/13,083.16
6. Step 6: Final answer
   x = 5,769.86