Finding the Fourth Proportional to 443,751.40, 665,663.82 and 144,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   443,751.40 : 665,663.82 = 144,113.50 : x
2. Step 2: Convert to fraction form
   443,751.40/665,663.82 = 144,113.50/x
3. Step 3: Cross multiply
   443,751.40x = 665,663.82 × 144,113.50
4. Step 4: Simplify right side
   443,751.40x = 95,931,142,923.57
5. Step 5: Solve for x
   x = 95,931,142,923.57/443,751.40
6. Step 6: Final answer
   x = 216,182.18