Finding the Fourth Proportional to 2,184.04, 3,013.93 and 1,189.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.04 : 3,013.93 = 1,189.31 : x
2. Step 2: Convert to fraction form
   2,184.04/3,013.93 = 1,189.31/x
3. Step 3: Cross multiply
   2,184.04x = 3,013.93 × 1,189.31
4. Step 4: Simplify right side
   2,184.04x = 3,584,482.02
5. Step 5: Solve for x
   x = 3,584,482.02/2,184.04
6. Step 6: Final answer
   x = 1,641.22