Finding the Fourth Proportional to 121,880.17, 182,881.76 and 55,277.82

Step by Step Solution

1. Step 1: Write the proportion equation
   121,880.17 : 182,881.76 = 55,277.82 : x
2. Step 2: Convert to fraction form
   121,880.17/182,881.76 = 55,277.82/x
3. Step 3: Cross multiply
   121,880.17x = 182,881.76 × 55,277.82
4. Step 4: Simplify right side
   121,880.17x = 10,109,305,010.56
5. Step 5: Solve for x
   x = 10,109,305,010.56/121,880.17
6. Step 6: Final answer
   x = 82,944.63