Finding the Fourth Proportional to 1,897.91, 2,618.83 and 1,151.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.91 : 2,618.83 = 1,151.74 : x
2. Step 2: Convert to fraction form
   1,897.91/2,618.83 = 1,151.74/x
3. Step 3: Cross multiply
   1,897.91x = 2,618.83 × 1,151.74
4. Step 4: Simplify right side
   1,897.91x = 3,016,206.16
5. Step 5: Solve for x
   x = 3,016,206.16/1,897.91
6. Step 6: Final answer
   x = 1,589.23