Finding the Fourth Proportional to 1,897.43, 2,617.92 and 1,111.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.43 : 2,617.92 = 1,111.32 : x
2. Step 2: Convert to fraction form
   1,897.43/2,617.92 = 1,111.32/x
3. Step 3: Cross multiply
   1,897.43x = 2,617.92 × 1,111.32
4. Step 4: Simplify right side
   1,897.43x = 2,909,346.85
5. Step 5: Solve for x
   x = 2,909,346.85/1,897.43
6. Step 6: Final answer
   x = 1,533.31