Finding the Fourth Proportional to 442,434.72, 663,654.64 and 110,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   442,434.72 : 663,654.64 = 110,010.72 : x
2. Step 2: Convert to fraction form
   442,434.72/663,654.64 = 110,010.72/x
3. Step 3: Cross multiply
   442,434.72x = 663,654.64 × 110,010.72
4. Step 4: Simplify right side
   442,434.72x = 73,009,124,777.74
5. Step 5: Solve for x
   x = 73,009,124,777.74/442,434.72
6. Step 6: Final answer
   x = 165,016.72