Finding the Fourth Proportional to 2,891.30, 4,338.56 and 1,043.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,891.30 : 4,338.56 = 1,043.96 : x
2. Step 2: Convert to fraction form
   2,891.30/4,338.56 = 1,043.96/x
3. Step 3: Cross multiply
   2,891.30x = 4,338.56 × 1,043.96
4. Step 4: Simplify right side
   2,891.30x = 4,529,264.01
5. Step 5: Solve for x
   x = 4,529,264.01/2,891.30
6. Step 6: Final answer
   x = 1,566.52