Finding the Fourth Proportional to 2,034.07, 3,048.60 and 1,157.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.07 : 3,048.60 = 1,157.31 : x
2. Step 2: Convert to fraction form
   2,034.07/3,048.60 = 1,157.31/x
3. Step 3: Cross multiply
   2,034.07x = 3,048.60 × 1,157.31
4. Step 4: Simplify right side
   2,034.07x = 3,528,175.27
5. Step 5: Solve for x
   x = 3,528,175.27/2,034.07
6. Step 6: Final answer
   x = 1,734.54