Finding the Fourth Proportional to 9,786.05, 14,679.01 and 2,390.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,786.05 : 14,679.01 = 2,390.54 : x
2. Step 2: Convert to fraction form
   9,786.05/14,679.01 = 2,390.54/x
3. Step 3: Cross multiply
   9,786.05x = 14,679.01 × 2,390.54
4. Step 4: Simplify right side
   9,786.05x = 35,090,791.29
5. Step 5: Solve for x
   x = 35,090,791.29/9,786.05
6. Step 6: Final answer
   x = 3,585.80