Finding the Fourth Proportional to 2,830.97, 4,248.89 and 1,100.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.97 : 4,248.89 = 1,100.81 : x
2. Step 2: Convert to fraction form
   2,830.97/4,248.89 = 1,100.81/x
3. Step 3: Cross multiply
   2,830.97x = 4,248.89 × 1,100.81
4. Step 4: Simplify right side
   2,830.97x = 4,677,220.60
5. Step 5: Solve for x
   x = 4,677,220.60/2,830.97
6. Step 6: Final answer
   x = 1,652.16