Finding the Fourth Proportional to 1,886.49, 2,602.82 and 1,100.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.49 : 2,602.82 = 1,100.39 : x
2. Step 2: Convert to fraction form
   1,886.49/2,602.82 = 1,100.39/x
3. Step 3: Cross multiply
   1,886.49x = 2,602.82 × 1,100.39
4. Step 4: Simplify right side
   1,886.49x = 2,864,117.10
5. Step 5: Solve for x
   x = 2,864,117.10/1,886.49
6. Step 6: Final answer
   x = 1,518.23