Finding the Fourth Proportional to 2,160.51, 3,238.89 and 1,833.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.51 : 3,238.89 = 1,833.58 : x
2. Step 2: Convert to fraction form
   2,160.51/3,238.89 = 1,833.58/x
3. Step 3: Cross multiply
   2,160.51x = 3,238.89 × 1,833.58
4. Step 4: Simplify right side
   2,160.51x = 5,938,763.93
5. Step 5: Solve for x
   x = 5,938,763.93/2,160.51
6. Step 6: Final answer
   x = 2,748.78