Finding the Fourth Proportional to 1,897.62, 2,618.64 and 1,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.62 : 2,618.64 = 1,100.96 : x
2. Step 2: Convert to fraction form
   1,897.62/2,618.64 = 1,100.96/x
3. Step 3: Cross multiply
   1,897.62x = 2,618.64 × 1,100.96
4. Step 4: Simplify right side
   1,897.62x = 2,883,017.89
5. Step 5: Solve for x
   x = 2,883,017.89/1,897.62
6. Step 6: Final answer
   x = 1,519.28