Finding the Fourth Proportional to 144,801.72, 217,134.42 and 56,096.76

Step by Step Solution

1. Step 1: Write the proportion equation
   144,801.72 : 217,134.42 = 56,096.76 : x
2. Step 2: Convert to fraction form
   144,801.72/217,134.42 = 56,096.76/x
3. Step 3: Cross multiply
   144,801.72x = 217,134.42 × 56,096.76
4. Step 4: Simplify right side
   144,801.72x = 12,180,537,446.48
5. Step 5: Solve for x
   x = 12,180,537,446.48/144,801.72
6. Step 6: Final answer
   x = 84,118.73