Finding the Fourth Proportional to 1,897.82, 2,617.94 and 1,111.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.82 : 2,617.94 = 1,111.71 : x
2. Step 2: Convert to fraction form
   1,897.82/2,617.94 = 1,111.71/x
3. Step 3: Cross multiply
   1,897.82x = 2,617.94 × 1,111.71
4. Step 4: Simplify right side
   1,897.82x = 2,910,396.42
5. Step 5: Solve for x
   x = 2,910,396.42/1,897.82
6. Step 6: Final answer
   x = 1,533.55