Finding the Fourth Proportional to 13,768.34, 19,003.05 and 8,738.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,768.34 : 19,003.05 = 8,738.55 : x
2. Step 2: Convert to fraction form
   13,768.34/19,003.05 = 8,738.55/x
3. Step 3: Cross multiply
   13,768.34x = 19,003.05 × 8,738.55
4. Step 4: Simplify right side
   13,768.34x = 166,059,102.58
5. Step 5: Solve for x
   x = 166,059,102.58/13,768.34
6. Step 6: Final answer
   x = 12,060.94