Finding the Fourth Proportional to 3,656.52, 5,045.69 and 2,164.17

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.52 : 5,045.69 = 2,164.17 : x
2. Step 2: Convert to fraction form
   3,656.52/5,045.69 = 2,164.17/x
3. Step 3: Cross multiply
   3,656.52x = 5,045.69 × 2,164.17
4. Step 4: Simplify right side
   3,656.52x = 10,919,720.11
5. Step 5: Solve for x
   x = 10,919,720.11/3,656.52
6. Step 6: Final answer
   x = 2,986.37