Finding the Fourth Proportional to 1,897.17, 2,617.74 and 1,111.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.17 : 2,617.74 = 1,111.02 : x
2. Step 2: Convert to fraction form
   1,897.17/2,617.74 = 1,111.02/x
3. Step 3: Cross multiply
   1,897.17x = 2,617.74 × 1,111.02
4. Step 4: Simplify right side
   1,897.17x = 2,908,361.49
5. Step 5: Solve for x
   x = 2,908,361.49/1,897.17
6. Step 6: Final answer
   x = 1,533.00