Finding the Fourth Proportional to 143,162.58, 214,581.84 and 72,893.46

Step by Step Solution

1. Step 1: Write the proportion equation
   143,162.58 : 214,581.84 = 72,893.46 : x
2. Step 2: Convert to fraction form
   143,162.58/214,581.84 = 72,893.46/x
3. Step 3: Cross multiply
   143,162.58x = 214,581.84 × 72,893.46
4. Step 4: Simplify right side
   143,162.58x = 15,641,612,770.77
5. Step 5: Solve for x
   x = 15,641,612,770.77/143,162.58
6. Step 6: Final answer
   x = 109,257.69