Finding the Fourth Proportional to 2,105.25, 3,156.46 and 1,009.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.25 : 3,156.46 = 1,009.01 : x
2. Step 2: Convert to fraction form
   2,105.25/3,156.46 = 1,009.01/x
3. Step 3: Cross multiply
   2,105.25x = 3,156.46 × 1,009.01
4. Step 4: Simplify right side
   2,105.25x = 3,184,905.07
5. Step 5: Solve for x
   x = 3,184,905.07/2,105.25
6. Step 6: Final answer
   x = 1,512.84