Finding the Fourth Proportional to 442,440.72, 663,663.72 and 110,016.72

Step by Step Solution

1. Step 1: Write the proportion equation
   442,440.72 : 663,663.72 = 110,016.72 : x
2. Step 2: Convert to fraction form
   442,440.72/663,663.72 = 110,016.72/x
3. Step 3: Cross multiply
   442,440.72x = 663,663.72 × 110,016.72
4. Step 4: Simplify right side
   442,440.72x = 73,014,105,657.40
5. Step 5: Solve for x
   x = 73,014,105,657.40/442,440.72
6. Step 6: Final answer
   x = 165,025.74