Finding the Fourth Proportional to 143,164.58, 214,584.84 and 72,895.46

Step by Step Solution

1. Step 1: Write the proportion equation
   143,164.58 : 214,584.84 = 72,895.46 : x
2. Step 2: Convert to fraction form
   143,164.58/214,584.84 = 72,895.46/x
3. Step 3: Cross multiply
   143,164.58x = 214,584.84 × 72,895.46
4. Step 4: Simplify right side
   143,164.58x = 15,642,260,620.83
5. Step 5: Solve for x
   x = 15,642,260,620.83/143,164.58
6. Step 6: Final answer
   x = 109,260.69