Finding the Fourth Proportional to 2,141.63, 3,212.76 and 754.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.63 : 3,212.76 = 754.72 : x
2. Step 2: Convert to fraction form
   2,141.63/3,212.76 = 754.72/x
3. Step 3: Cross multiply
   2,141.63x = 3,212.76 × 754.72
4. Step 4: Simplify right side
   2,141.63x = 2,424,724.31
5. Step 5: Solve for x
   x = 2,424,724.31/2,141.63
6. Step 6: Final answer
   x = 1,132.19