Finding the Fourth Proportional to 851,144.67, 1,276,903.89 and 252,152.73

Step by Step Solution

1. Step 1: Write the proportion equation
   851,144.67 : 1,276,903.89 = 252,152.73 : x
2. Step 2: Convert to fraction form
   851,144.67/1,276,903.89 = 252,152.73/x
3. Step 3: Cross multiply
   851,144.67x = 1,276,903.89 × 252,152.73
4. Step 4: Simplify right side
   851,144.67x = 321,974,801,811.12
5. Step 5: Solve for x
   x = 321,974,801,811.12/851,144.67
6. Step 6: Final answer
   x = 378,284.46