Finding the Fourth Proportional to 11,785.10, 17,678.69 and 3,020.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,785.10 : 17,678.69 = 3,020.01 : x
2. Step 2: Convert to fraction form
   11,785.10/17,678.69 = 3,020.01/x
3. Step 3: Cross multiply
   11,785.10x = 17,678.69 × 3,020.01
4. Step 4: Simplify right side
   11,785.10x = 53,389,805.49
5. Step 5: Solve for x
   x = 53,389,805.49/11,785.10
6. Step 6: Final answer
   x = 4,530.28