Finding the Fourth Proportional to 2,184.95, 3,279.18 and 1,089.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.95 : 3,279.18 = 1,089.02 : x
2. Step 2: Convert to fraction form
   2,184.95/3,279.18 = 1,089.02/x
3. Step 3: Cross multiply
   2,184.95x = 3,279.18 × 1,089.02
4. Step 4: Simplify right side
   2,184.95x = 3,571,092.60
5. Step 5: Solve for x
   x = 3,571,092.60/2,184.95
6. Step 6: Final answer
   x = 1,634.40