Finding the Fourth Proportional to 2,753.89, 4,131.51 and 1,291.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,753.89 : 4,131.51 = 1,291.34 : x
2. Step 2: Convert to fraction form
   2,753.89/4,131.51 = 1,291.34/x
3. Step 3: Cross multiply
   2,753.89x = 4,131.51 × 1,291.34
4. Step 4: Simplify right side
   2,753.89x = 5,335,173.79
5. Step 5: Solve for x
   x = 5,335,173.79/2,753.89
6. Step 6: Final answer
   x = 1,937.32