Finding the Fourth Proportional to 1,897.56, 2,618.01 and 1,111.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.56 : 2,618.01 = 1,111.05 : x
2. Step 2: Convert to fraction form
   1,897.56/2,618.01 = 1,111.05/x
3. Step 3: Cross multiply
   1,897.56x = 2,618.01 × 1,111.05
4. Step 4: Simplify right side
   1,897.56x = 2,908,740.01
5. Step 5: Solve for x
   x = 2,908,740.01/1,897.56
6. Step 6: Final answer
   x = 1,532.88