Finding the Fourth Proportional to 442,384, 663,578.43 and 109,960

Step by Step Solution

1. Step 1: Write the proportion equation
   442,384 : 663,578.43 = 109,960 : x
2. Step 2: Convert to fraction form
   442,384/663,578.43 = 109,960/x
3. Step 3: Cross multiply
   442,384x = 663,578.43 × 109,960
4. Step 4: Simplify right side
   442,384x = 72,967,084,162.80
5. Step 5: Solve for x
   x = 72,967,084,162.80/442,384
6. Step 6: Final answer
   x = 164,940.60