Finding the Fourth Proportional to 1,404.61, 2,105.91 and 1,009.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.61 : 2,105.91 = 1,009.52 : x
2. Step 2: Convert to fraction form
   1,404.61/2,105.91 = 1,009.52/x
3. Step 3: Cross multiply
   1,404.61x = 2,105.91 × 1,009.52
4. Step 4: Simplify right side
   1,404.61x = 2,125,958.26
5. Step 5: Solve for x
   x = 2,125,958.26/1,404.61
6. Step 6: Final answer
   x = 1,513.56