Finding the Fourth Proportional to 250,028.69, 345,002.50 and 151,860.88

Step by Step Solution

1. Step 1: Write the proportion equation
   250,028.69 : 345,002.50 = 151,860.88 : x
2. Step 2: Convert to fraction form
   250,028.69/345,002.50 = 151,860.88/x
3. Step 3: Cross multiply
   250,028.69x = 345,002.50 × 151,860.88
4. Step 4: Simplify right side
   250,028.69x = 52,392,383,989.38
5. Step 5: Solve for x
   x = 52,392,383,989.38/250,028.69
6. Step 6: Final answer
   x = 209,545.49