Finding the Fourth Proportional to 1,621.09, 2,237.82 and 1,182.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621.09 : 2,237.82 = 1,182.34 : x
2. Step 2: Convert to fraction form
   1,621.09/2,237.82 = 1,182.34/x
3. Step 3: Cross multiply
   1,621.09x = 2,237.82 × 1,182.34
4. Step 4: Simplify right side
   1,621.09x = 2,645,864.10
5. Step 5: Solve for x
   x = 2,645,864.10/1,621.09
6. Step 6: Final answer
   x = 1,632.15