Finding the Fourth Proportional to 2,179.76, 3,008.06 and 1,185.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.76 : 3,008.06 = 1,185.03 : x
2. Step 2: Convert to fraction form
   2,179.76/3,008.06 = 1,185.03/x
3. Step 3: Cross multiply
   2,179.76x = 3,008.06 × 1,185.03
4. Step 4: Simplify right side
   2,179.76x = 3,564,641.34
5. Step 5: Solve for x
   x = 3,564,641.34/2,179.76
6. Step 6: Final answer
   x = 1,635.34