Finding the Fourth Proportional to 2,180.04, 3,009.72 and 1,435.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.04 : 3,009.72 = 1,435.29 : x
2. Step 2: Convert to fraction form
   2,180.04/3,009.72 = 1,435.29/x
3. Step 3: Cross multiply
   2,180.04x = 3,009.72 × 1,435.29
4. Step 4: Simplify right side
   2,180.04x = 4,319,821.02
5. Step 5: Solve for x
   x = 4,319,821.02/2,180.04
6. Step 6: Final answer
   x = 1,981.53