Finding the Fourth Proportional to 2,182.01, 3,011.23 and 1,187.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,182.01 : 3,011.23 = 1,187.33 : x
2. Step 2: Convert to fraction form
   2,182.01/3,011.23 = 1,187.33/x
3. Step 3: Cross multiply
   2,182.01x = 3,011.23 × 1,187.33
4. Step 4: Simplify right side
   2,182.01x = 3,575,303.47
5. Step 5: Solve for x
   x = 3,575,303.47/2,182.01
6. Step 6: Final answer
   x = 1,638.54