Finding the Fourth Proportional to 2,009.02, 3,012.30 and 1,314.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.02 : 3,012.30 = 1,314.84 : x
2. Step 2: Convert to fraction form
   2,009.02/3,012.30 = 1,314.84/x
3. Step 3: Cross multiply
   2,009.02x = 3,012.30 × 1,314.84
4. Step 4: Simplify right side
   2,009.02x = 3,960,692.53
5. Step 5: Solve for x
   x = 3,960,692.53/2,009.02
6. Step 6: Final answer
   x = 1,971.46