Finding the Fourth Proportional to 19,127.12, 26,400.72 and 13,463.12

Step by Step Solution

1. Step 1: Write the proportion equation
   19,127.12 : 26,400.72 = 13,463.12 : x
2. Step 2: Convert to fraction form
   19,127.12/26,400.72 = 13,463.12/x
3. Step 3: Cross multiply
   19,127.12x = 26,400.72 × 13,463.12
4. Step 4: Simplify right side
   19,127.12x = 355,436,061.45
5. Step 5: Solve for x
   x = 355,436,061.45/19,127.12
6. Step 6: Final answer
   x = 18,582.83