Finding the Fourth Proportional to 3,736.29, 5,155.86 and 2,164.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.29 : 5,155.86 = 2,164.35 : x
2. Step 2: Convert to fraction form
   3,736.29/5,155.86 = 2,164.35/x
3. Step 3: Cross multiply
   3,736.29x = 5,155.86 × 2,164.35
4. Step 4: Simplify right side
   3,736.29x = 11,159,085.59
5. Step 5: Solve for x
   x = 11,159,085.59/3,736.29
6. Step 6: Final answer
   x = 2,986.68