Finding the Fourth Proportional to 2,179.48, 3,007.68 and 1,184.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.48 : 3,007.68 = 1,184.80 : x
2. Step 2: Convert to fraction form
   2,179.48/3,007.68 = 1,184.80/x
3. Step 3: Cross multiply
   2,179.48x = 3,007.68 × 1,184.80
4. Step 4: Simplify right side
   2,179.48x = 3,563,499.26
5. Step 5: Solve for x
   x = 3,563,499.26/2,179.48
6. Step 6: Final answer
   x = 1,635.02