Finding the Fourth Proportional to 47,420.16, 71,110.56 and 17,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,420.16 : 71,110.56 = 17,822.72 : x
2. Step 2: Convert to fraction form
   47,420.16/71,110.56 = 17,822.72/x
3. Step 3: Cross multiply
   47,420.16x = 71,110.56 × 17,822.72
4. Step 4: Simplify right side
   47,420.16x = 1,267,383,599.92
5. Step 5: Solve for x
   x = 1,267,383,599.92/47,420.16
6. Step 6: Final answer
   x = 26,726.68