Finding the Fourth Proportional to 144,128.79, 216,076.32 and 59,951.93

Step by Step Solution

1. Step 1: Write the proportion equation
   144,128.79 : 216,076.32 = 59,951.93 : x
2. Step 2: Convert to fraction form
   144,128.79/216,076.32 = 59,951.93/x
3. Step 3: Cross multiply
   144,128.79x = 216,076.32 × 59,951.93
4. Step 4: Simplify right side
   144,128.79x = 12,954,191,330.92
5. Step 5: Solve for x
   x = 12,954,191,330.92/144,128.79
6. Step 6: Final answer
   x = 89,879.28