Finding the Fourth Proportional to 1,968.10, 2,947.29 and 1,100.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,968.10 : 2,947.29 = 1,100.59 : x
2. Step 2: Convert to fraction form
   1,968.10/2,947.29 = 1,100.59/x
3. Step 3: Cross multiply
   1,968.10x = 2,947.29 × 1,100.59
4. Step 4: Simplify right side
   1,968.10x = 3,243,757.90
5. Step 5: Solve for x
   x = 3,243,757.90/1,968.10
6. Step 6: Final answer
   x = 1,648.17