Finding the Fourth Proportional to 144,211.67, 216,453.18 and 73,185.29

Step by Step Solution

1. Step 1: Write the proportion equation
   144,211.67 : 216,453.18 = 73,185.29 : x
2. Step 2: Convert to fraction form
   144,211.67/216,453.18 = 73,185.29/x
3. Step 3: Cross multiply
   144,211.67x = 216,453.18 × 73,185.29
4. Step 4: Simplify right side
   144,211.67x = 15,841,188,749.72
5. Step 5: Solve for x
   x = 15,841,188,749.72/144,211.67
6. Step 6: Final answer
   x = 109,846.79