Finding the Fourth Proportional to 13,695, 18,937.98 and 13,076.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,695 : 18,937.98 = 13,076.16 : x
2. Step 2: Convert to fraction form
   13,695/18,937.98 = 13,076.16/x
3. Step 3: Cross multiply
   13,695x = 18,937.98 × 13,076.16
4. Step 4: Simplify right side
   13,695x = 247,636,056.56
5. Step 5: Solve for x
   x = 247,636,056.56/13,695
6. Step 6: Final answer
   x = 18,082.22