Finding the Fourth Proportional to 2,184.47, 3,014.58 and 1,189.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.47 : 3,014.58 = 1,189.78 : x
2. Step 2: Convert to fraction form
   2,184.47/3,014.58 = 1,189.78/x
3. Step 3: Cross multiply
   2,184.47x = 3,014.58 × 1,189.78
4. Step 4: Simplify right side
   2,184.47x = 3,586,671.92
5. Step 5: Solve for x
   x = 3,586,671.92/2,184.47
6. Step 6: Final answer
   x = 1,641.90