Finding the Fourth Proportional to 9,790.25, 14,685.42 and 2,864.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.25 : 14,685.42 = 2,864.75 : x
2. Step 2: Convert to fraction form
   9,790.25/14,685.42 = 2,864.75/x
3. Step 3: Cross multiply
   9,790.25x = 14,685.42 × 2,864.75
4. Step 4: Simplify right side
   9,790.25x = 42,070,056.95
5. Step 5: Solve for x
   x = 42,070,056.95/9,790.25
6. Step 6: Final answer
   x = 4,297.14