Finding the Fourth Proportional to 78,726.58, 108,680.84 and 50,068.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,726.58 : 108,680.84 = 50,068.23 : x
2. Step 2: Convert to fraction form
   78,726.58/108,680.84 = 50,068.23/x
3. Step 3: Cross multiply
   78,726.58x = 108,680.84 × 50,068.23
4. Step 4: Simplify right side
   78,726.58x = 5,441,456,823.57
5. Step 5: Solve for x
   x = 5,441,456,823.57/78,726.58
6. Step 6: Final answer
   x = 69,118.42