Finding the Fourth Proportional to 2,238.23, 3,091.16 and 1,533.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238.23 : 3,091.16 = 1,533.33 : x
2. Step 2: Convert to fraction form
   2,238.23/3,091.16 = 1,533.33/x
3. Step 3: Cross multiply
   2,238.23x = 3,091.16 × 1,533.33
4. Step 4: Simplify right side
   2,238.23x = 4,739,772.20
5. Step 5: Solve for x
   x = 4,739,772.20/2,238.23
6. Step 6: Final answer
   x = 2,117.64