Finding the Fourth Proportional to 1,886.67, 2,602.94 and 1,100.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.67 : 2,602.94 = 1,100.43 : x
2. Step 2: Convert to fraction form
   1,886.67/2,602.94 = 1,100.43/x
3. Step 3: Cross multiply
   1,886.67x = 2,602.94 × 1,100.43
4. Step 4: Simplify right side
   1,886.67x = 2,864,347.76
5. Step 5: Solve for x
   x = 2,864,347.76/1,886.67
6. Step 6: Final answer
   x = 1,518.20