Finding the Fourth Proportional to 12,927.97, 19,401.72 and 10,361.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,927.97 : 19,401.72 = 10,361.89 : x
2. Step 2: Convert to fraction form
   12,927.97/19,401.72 = 10,361.89/x
3. Step 3: Cross multiply
   12,927.97x = 19,401.72 × 10,361.89
4. Step 4: Simplify right side
   12,927.97x = 201,038,488.45
5. Step 5: Solve for x
   x = 201,038,488.45/12,927.97
6. Step 6: Final answer
   x = 15,550.66