Finding the Fourth Proportional to 1,371.83, 1,894.86 and 1,151.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.83 : 1,894.86 = 1,151.91 : x
2. Step 2: Convert to fraction form
   1,371.83/1,894.86 = 1,151.91/x
3. Step 3: Cross multiply
   1,371.83x = 1,894.86 × 1,151.91
4. Step 4: Simplify right side
   1,371.83x = 2,182,708.18
5. Step 5: Solve for x
   x = 2,182,708.18/1,371.83
6. Step 6: Final answer
   x = 1,591.10