Finding the Fourth Proportional to 1,900.76, 2,850.76 and 962.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.76 : 2,850.76 = 962.78 : x
2. Step 2: Convert to fraction form
   1,900.76/2,850.76 = 962.78/x
3. Step 3: Cross multiply
   1,900.76x = 2,850.76 × 962.78
4. Step 4: Simplify right side
   1,900.76x = 2,744,654.71
5. Step 5: Solve for x
   x = 2,744,654.71/1,900.76
6. Step 6: Final answer
   x = 1,443.98