Finding the Fourth Proportional to 140,031.14, 209,981.00 and 51,222.53

Step by Step Solution

1. Step 1: Write the proportion equation
   140,031.14 : 209,981.00 = 51,222.53 : x
2. Step 2: Convert to fraction form
   140,031.14/209,981.00 = 51,222.53/x
3. Step 3: Cross multiply
   140,031.14x = 209,981.00 × 51,222.53
4. Step 4: Simplify right side
   140,031.14x = 10,755,756,765.91
5. Step 5: Solve for x
   x = 10,755,756,765.91/140,031.14
6. Step 6: Final answer
   x = 76,809.75