Finding the Fourth Proportional to 78,306, 108,151.98 and 51,568.02

Step by Step Solution

1. Step 1: Write the proportion equation
   78,306 : 108,151.98 = 51,568.02 : x
2. Step 2: Convert to fraction form
   78,306/108,151.98 = 51,568.02/x
3. Step 3: Cross multiply
   78,306x = 108,151.98 × 51,568.02
4. Step 4: Simplify right side
   78,306x = 5,577,183,467.68
5. Step 5: Solve for x
   x = 5,577,183,467.68/78,306
6. Step 6: Final answer
   x = 71,222.94