Finding the Fourth Proportional to 442,384.50, 663,579.18 and 109,960.50

Step by Step Solution

1. Step 1: Write the proportion equation
   442,384.50 : 663,579.18 = 109,960.50 : x
2. Step 2: Convert to fraction form
   442,384.50/663,579.18 = 109,960.50/x
3. Step 3: Cross multiply
   442,384.50x = 663,579.18 × 109,960.50
4. Step 4: Simplify right side
   442,384.50x = 72,967,498,422.39
5. Step 5: Solve for x
   x = 72,967,498,422.39/442,384.50
6. Step 6: Final answer
   x = 164,941.35