Finding the Fourth Proportional to 442,450.72, 663,678.72 and 110,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   442,450.72 : 663,678.72 = 110,026.72 : x
2. Step 2: Convert to fraction form
   442,450.72/663,678.72 = 110,026.72/x
3. Step 3: Cross multiply
   442,450.72x = 663,678.72 × 110,026.72
4. Step 4: Simplify right side
   442,450.72x = 73,022,392,695.40
5. Step 5: Solve for x
   x = 73,022,392,695.40/442,450.72
6. Step 6: Final answer
   x = 165,040.74