Finding the Fourth Proportional to 2,173.83, 2,999.88 and 1,179.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,173.83 : 2,999.88 = 1,179.10 : x
2. Step 2: Convert to fraction form
   2,173.83/2,999.88 = 1,179.10/x
3. Step 3: Cross multiply
   2,173.83x = 2,999.88 × 1,179.10
4. Step 4: Simplify right side
   2,173.83x = 3,537,158.51
5. Step 5: Solve for x
   x = 3,537,158.51/2,173.83
6. Step 6: Final answer
   x = 1,627.16