Finding the Fourth Proportional to 10,405.25, 15,607.42 and 3,009.54

Step by Step Solution

1. Step 1: Write the proportion equation
   10,405.25 : 15,607.42 = 3,009.54 : x
2. Step 2: Convert to fraction form
   10,405.25/15,607.42 = 3,009.54/x
3. Step 3: Cross multiply
   10,405.25x = 15,607.42 × 3,009.54
4. Step 4: Simplify right side
   10,405.25x = 46,971,139.74
5. Step 5: Solve for x
   x = 46,971,139.74/10,405.25
6. Step 6: Final answer
   x = 4,514.18