Finding the Fourth Proportional to 1,533.51, 2,111.58 and 1,323.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533.51 : 2,111.58 = 1,323.32 : x
2. Step 2: Convert to fraction form
   1,533.51/2,111.58 = 1,323.32/x
3. Step 3: Cross multiply
   1,533.51x = 2,111.58 × 1,323.32
4. Step 4: Simplify right side
   1,533.51x = 2,794,285.49
5. Step 5: Solve for x
   x = 2,794,285.49/1,533.51
6. Step 6: Final answer
   x = 1,822.15