Finding the Fourth Proportional to 6,282.88, 9,426.78 and 1,900.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,282.88 : 9,426.78 = 1,900.78 : x
2. Step 2: Convert to fraction form
   6,282.88/9,426.78 = 1,900.78/x
3. Step 3: Cross multiply
   6,282.88x = 9,426.78 × 1,900.78
4. Step 4: Simplify right side
   6,282.88x = 17,918,234.89
5. Step 5: Solve for x
   x = 17,918,234.89/6,282.88
6. Step 6: Final answer
   x = 2,851.91