Finding the Fourth Proportional to 2,132.31, 2,941.27 and 1,247.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.31 : 2,941.27 = 1,247.52 : x
2. Step 2: Convert to fraction form
   2,132.31/2,941.27 = 1,247.52/x
3. Step 3: Cross multiply
   2,132.31x = 2,941.27 × 1,247.52
4. Step 4: Simplify right side
   2,132.31x = 3,669,293.15
5. Step 5: Solve for x
   x = 3,669,293.15/2,132.31
6. Step 6: Final answer
   x = 1,720.81