Finding the Fourth Proportional to 2,033.60, 2,805.52 and 1,248.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,033.60 : 2,805.52 = 1,248.10 : x
2. Step 2: Convert to fraction form
   2,033.60/2,805.52 = 1,248.10/x
3. Step 3: Cross multiply
   2,033.60x = 2,805.52 × 1,248.10
4. Step 4: Simplify right side
   2,033.60x = 3,501,569.51
5. Step 5: Solve for x
   x = 3,501,569.51/2,033.60
6. Step 6: Final answer
   x = 1,721.86