Finding the Fourth Proportional to 13,848.18, 20,735.82 and 8,288.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,848.18 : 20,735.82 = 8,288.34 : x
2. Step 2: Convert to fraction form
   13,848.18/20,735.82 = 8,288.34/x
3. Step 3: Cross multiply
   13,848.18x = 20,735.82 × 8,288.34
4. Step 4: Simplify right side
   13,848.18x = 171,865,526.34
5. Step 5: Solve for x
   x = 171,865,526.34/13,848.18
6. Step 6: Final answer
   x = 12,410.69