Finding the Fourth Proportional to 144,380.27, 216,607.31 and 55,609.94

Step by Step Solution

1. Step 1: Write the proportion equation
   144,380.27 : 216,607.31 = 55,609.94 : x
2. Step 2: Convert to fraction form
   144,380.27/216,607.31 = 55,609.94/x
3. Step 3: Cross multiply
   144,380.27x = 216,607.31 × 55,609.94
4. Step 4: Simplify right side
   144,380.27x = 12,045,518,151.58
5. Step 5: Solve for x
   x = 12,045,518,151.58/144,380.27
6. Step 6: Final answer
   x = 83,429.12