Finding the Fourth Proportional to 1,897.48, 2,618.16 and 1,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.48 : 2,618.16 = 1,111.18 : x
2. Step 2: Convert to fraction form
   1,897.48/2,618.16 = 1,111.18/x
3. Step 3: Cross multiply
   1,897.48x = 2,618.16 × 1,111.18
4. Step 4: Simplify right side
   1,897.48x = 2,909,247.03
5. Step 5: Solve for x
   x = 2,909,247.03/1,897.48
6. Step 6: Final answer
   x = 1,533.22