Finding the Fourth Proportional to 1,621.59, 2,238.51 and 1,182.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621.59 : 2,238.51 = 1,182.84 : x
2. Step 2: Convert to fraction form
   1,621.59/2,238.51 = 1,182.84/x
3. Step 3: Cross multiply
   1,621.59x = 2,238.51 × 1,182.84
4. Step 4: Simplify right side
   1,621.59x = 2,647,799.17
5. Step 5: Solve for x
   x = 2,647,799.17/1,621.59
6. Step 6: Final answer
   x = 1,632.84