Finding the Fourth Proportional to 144,290.16, 216,318.69 and 60,113.73

Step by Step Solution

1. Step 1: Write the proportion equation
   144,290.16 : 216,318.69 = 60,113.73 : x
2. Step 2: Convert to fraction form
   144,290.16/216,318.69 = 60,113.73/x
3. Step 3: Cross multiply
   144,290.16x = 216,318.69 × 60,113.73
4. Step 4: Simplify right side
   144,290.16x = 13,003,723,324.61
5. Step 5: Solve for x
   x = 13,003,723,324.61/144,290.16
6. Step 6: Final answer
   x = 90,122.04