Finding the Fourth Proportional to 144,061.96, 216,076.74 and 55,253.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,061.96 : 216,076.74 = 55,253.16 : x
2. Step 2: Convert to fraction form
   144,061.96/216,076.74 = 55,253.16/x
3. Step 3: Cross multiply
   144,061.96x = 216,076.74 × 55,253.16
4. Step 4: Simplify right side
   144,061.96x = 11,938,922,687.50
5. Step 5: Solve for x
   x = 11,938,922,687.50/144,061.96
6. Step 6: Final answer
   x = 82,873.53