Finding the Fourth Proportional to 2,132.16, 2,941.42 and 1,247.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.16 : 2,941.42 = 1,247.57 : x
2. Step 2: Convert to fraction form
   2,132.16/2,941.42 = 1,247.57/x
3. Step 3: Cross multiply
   2,132.16x = 2,941.42 × 1,247.57
4. Step 4: Simplify right side
   2,132.16x = 3,669,627.35
5. Step 5: Solve for x
   x = 3,669,627.35/2,132.16
6. Step 6: Final answer
   x = 1,721.08