Finding the Fourth Proportional to 1,474.32, 2,036.56 and 1,179.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.32 : 2,036.56 = 1,179.20 : x
2. Step 2: Convert to fraction form
   1,474.32/2,036.56 = 1,179.20/x
3. Step 3: Cross multiply
   1,474.32x = 2,036.56 × 1,179.20
4. Step 4: Simplify right side
   1,474.32x = 2,401,511.55
5. Step 5: Solve for x
   x = 2,401,511.55/1,474.32
6. Step 6: Final answer
   x = 1,628.89