Finding the Fourth Proportional to 3,736.32, 5,155.81 and 2,164.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,736.32 : 5,155.81 = 2,164.51 : x
2. Step 2: Convert to fraction form
   3,736.32/5,155.81 = 2,164.51/x
3. Step 3: Cross multiply
   3,736.32x = 5,155.81 × 2,164.51
4. Step 4: Simplify right side
   3,736.32x = 11,159,802.30
5. Step 5: Solve for x
   x = 11,159,802.30/3,736.32
6. Step 6: Final answer
   x = 2,986.84