Finding the Fourth Proportional to 14,111.55, 19,474.56 and 8,447.22

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.55 : 19,474.56 = 8,447.22 : x
2. Step 2: Convert to fraction form
   14,111.55/19,474.56 = 8,447.22/x
3. Step 3: Cross multiply
   14,111.55x = 19,474.56 × 8,447.22
4. Step 4: Simplify right side
   14,111.55x = 164,505,892.72
5. Step 5: Solve for x
   x = 164,505,892.72/14,111.55
6. Step 6: Final answer
   x = 11,657.54