Finding the Fourth Proportional to 2,930.13, 4,397.31 and 1,151.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,930.13 : 4,397.31 = 1,151.42 : x
2. Step 2: Convert to fraction form
   2,930.13/4,397.31 = 1,151.42/x
3. Step 3: Cross multiply
   2,930.13x = 4,397.31 × 1,151.42
4. Step 4: Simplify right side
   2,930.13x = 5,063,128.69
5. Step 5: Solve for x
   x = 5,063,128.69/2,930.13
6. Step 6: Final answer
   x = 1,727.95