Finding the Fourth Proportional to 143,016.39, 214,374.89 and 48,213.81

Step by Step Solution

1. Step 1: Write the proportion equation
   143,016.39 : 214,374.89 = 48,213.81 : x
2. Step 2: Convert to fraction form
   143,016.39/214,374.89 = 48,213.81/x
3. Step 3: Cross multiply
   143,016.39x = 214,374.89 × 48,213.81
4. Step 4: Simplify right side
   143,016.39x = 10,335,829,974.16
5. Step 5: Solve for x
   x = 10,335,829,974.16/143,016.39
6. Step 6: Final answer
   x = 72,270.25