Finding the Fourth Proportional to 2,118.93, 3,179.48 and 1,009.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.93 : 3,179.48 = 1,009.59 : x
2. Step 2: Convert to fraction form
   2,118.93/3,179.48 = 1,009.59/x
3. Step 3: Cross multiply
   2,118.93x = 3,179.48 × 1,009.59
4. Step 4: Simplify right side
   2,118.93x = 3,209,966.17
5. Step 5: Solve for x
   x = 3,209,966.17/2,118.93
6. Step 6: Final answer
   x = 1,514.90