Finding the Fourth Proportional to 19,061.21, 26,304.54 and 10,563.47

Step by Step Solution

1. Step 1: Write the proportion equation
   19,061.21 : 26,304.54 = 10,563.47 : x
2. Step 2: Convert to fraction form
   19,061.21/26,304.54 = 10,563.47/x
3. Step 3: Cross multiply
   19,061.21x = 26,304.54 × 10,563.47
4. Step 4: Simplify right side
   19,061.21x = 277,867,219.15
5. Step 5: Solve for x
   x = 277,867,219.15/19,061.21
6. Step 6: Final answer
   x = 14,577.63