Finding the Fourth Proportional to 1,897.86, 2,617.96 and 1,141.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.86 : 2,617.96 = 1,141.12 : x
2. Step 2: Convert to fraction form
   1,897.86/2,617.96 = 1,141.12/x
3. Step 3: Cross multiply
   1,897.86x = 2,617.96 × 1,141.12
4. Step 4: Simplify right side
   1,897.86x = 2,987,400.28
5. Step 5: Solve for x
   x = 2,987,400.28/1,897.86
6. Step 6: Final answer
   x = 1,574.09