Finding the Fourth Proportional to 12,444.22, 17,171.76 and 7,663.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,444.22 : 17,171.76 = 7,663.42 : x
2. Step 2: Convert to fraction form
   12,444.22/17,171.76 = 7,663.42/x
3. Step 3: Cross multiply
   12,444.22x = 17,171.76 × 7,663.42
4. Step 4: Simplify right side
   12,444.22x = 131,594,409.02
5. Step 5: Solve for x
   x = 131,594,409.02/12,444.22
6. Step 6: Final answer
   x = 10,574.74