Finding the Fourth Proportional to 2,196.48, 3,030.75 and 1,533.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.48 : 3,030.75 = 1,533.09 : x
2. Step 2: Convert to fraction form
   2,196.48/3,030.75 = 1,533.09/x
3. Step 3: Cross multiply
   2,196.48x = 3,030.75 × 1,533.09
4. Step 4: Simplify right side
   2,196.48x = 4,646,412.52
5. Step 5: Solve for x
   x = 4,646,412.52/2,196.48
6. Step 6: Final answer
   x = 2,115.39