Finding the Fourth Proportional to 1,180.04, 1,624.74 and 1,002.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180.04 : 1,624.74 = 1,002.62 : x
2. Step 2: Convert to fraction form
   1,180.04/1,624.74 = 1,002.62/x
3. Step 3: Cross multiply
   1,180.04x = 1,624.74 × 1,002.62
4. Step 4: Simplify right side
   1,180.04x = 1,628,996.82
5. Step 5: Solve for x
   x = 1,628,996.82/1,180.04
6. Step 6: Final answer
   x = 1,380.46