Finding the Fourth Proportional to 1,769.52, 2,442.72 and 1,179.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,769.52 : 2,442.72 = 1,179.06 : x
2. Step 2: Convert to fraction form
   1,769.52/2,442.72 = 1,179.06/x
3. Step 3: Cross multiply
   1,769.52x = 2,442.72 × 1,179.06
4. Step 4: Simplify right side
   1,769.52x = 2,880,113.44
5. Step 5: Solve for x
   x = 2,880,113.44/1,769.52
6. Step 6: Final answer
   x = 1,627.62