Finding the Fourth Proportional to 9,864.75, 14,799.69 and 2,939.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,864.75 : 14,799.69 = 2,939.25 : x
2. Step 2: Convert to fraction form
   9,864.75/14,799.69 = 2,939.25/x
3. Step 3: Cross multiply
   9,864.75x = 14,799.69 × 2,939.25
4. Step 4: Simplify right side
   9,864.75x = 43,499,988.83
5. Step 5: Solve for x
   x = 43,499,988.83/9,864.75
6. Step 6: Final answer
   x = 4,409.64