Finding the Fourth Proportional to 143,721.53, 215,773.05 and 122,796.04

Step by Step Solution

1. Step 1: Write the proportion equation
   143,721.53 : 215,773.05 = 122,796.04 : x
2. Step 2: Convert to fraction form
   143,721.53/215,773.05 = 122,796.04/x
3. Step 3: Cross multiply
   143,721.53x = 215,773.05 × 122,796.04
4. Step 4: Simplify right side
   143,721.53x = 26,496,076,078.72
5. Step 5: Solve for x
   x = 26,496,076,078.72/143,721.53
6. Step 6: Final answer
   x = 184,357.04