Finding the Fourth Proportional to 3,656.34, 5,045.22 and 2,164.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.34 : 5,045.22 = 2,164.32 : x
2. Step 2: Convert to fraction form
   3,656.34/5,045.22 = 2,164.32/x
3. Step 3: Cross multiply
   3,656.34x = 5,045.22 × 2,164.32
4. Step 4: Simplify right side
   3,656.34x = 10,919,470.55
5. Step 5: Solve for x
   x = 10,919,470.55/3,656.34
6. Step 6: Final answer
   x = 2,986.45