Finding the Fourth Proportional to 2,148.57, 2,973.15 and 1,833.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,148.57 : 2,973.15 = 1,833.35 : x
2. Step 2: Convert to fraction form
   2,148.57/2,973.15 = 1,833.35/x
3. Step 3: Cross multiply
   2,148.57x = 2,973.15 × 1,833.35
4. Step 4: Simplify right side
   2,148.57x = 5,450,809.69
5. Step 5: Solve for x
   x = 5,450,809.69/2,148.57
6. Step 6: Final answer
   x = 2,536.95