Finding the Fourth Proportional to 2,799.28, 4,196.18 and 1,043

Step by Step Solution

1. Step 1: Write the proportion equation
   2,799.28 : 4,196.18 = 1,043 : x
2. Step 2: Convert to fraction form
   2,799.28/4,196.18 = 1,043/x
3. Step 3: Cross multiply
   2,799.28x = 4,196.18 × 1,043
4. Step 4: Simplify right side
   2,799.28x = 4,376,615.74
5. Step 5: Solve for x
   x = 4,376,615.74/2,799.28
6. Step 6: Final answer
   x = 1,563.48