Finding the Fourth Proportional to 2,132.06, 2,942.25 and 1,247.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.06 : 2,942.25 = 1,247.69 : x
2. Step 2: Convert to fraction form
   2,132.06/2,942.25 = 1,247.69/x
3. Step 3: Cross multiply
   2,132.06x = 2,942.25 × 1,247.69
4. Step 4: Simplify right side
   2,132.06x = 3,671,015.90
5. Step 5: Solve for x
   x = 3,671,015.90/2,132.06
6. Step 6: Final answer
   x = 1,721.82