Finding the Fourth Proportional to 150,741.98, 224,968.13 and 144,638.72

Step by Step Solution

1. Step 1: Write the proportion equation
   150,741.98 : 224,968.13 = 144,638.72 : x
2. Step 2: Convert to fraction form
   150,741.98/224,968.13 = 144,638.72/x
3. Step 3: Cross multiply
   150,741.98x = 224,968.13 × 144,638.72
4. Step 4: Simplify right side
   150,741.98x = 32,539,101,640.80
5. Step 5: Solve for x
   x = 32,539,101,640.80/150,741.98
6. Step 6: Final answer
   x = 215,859.59