Finding the Fourth Proportional to 3,440.43, 5,160.56 and 1,131.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,440.43 : 5,160.56 = 1,131.93 : x
2. Step 2: Convert to fraction form
   3,440.43/5,160.56 = 1,131.93/x
3. Step 3: Cross multiply
   3,440.43x = 5,160.56 × 1,131.93
4. Step 4: Simplify right side
   3,440.43x = 5,841,387.02
5. Step 5: Solve for x
   x = 5,841,387.02/3,440.43
6. Step 6: Final answer
   x = 1,697.87