Finding the Fourth Proportional to 1,043.63, 1,566.51 and 699.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.63 : 1,566.51 = 699.37 : x
2. Step 2: Convert to fraction form
   1,043.63/1,566.51 = 699.37/x
3. Step 3: Cross multiply
   1,043.63x = 1,566.51 × 699.37
4. Step 4: Simplify right side
   1,043.63x = 1,095,562.27
5. Step 5: Solve for x
   x = 1,095,562.27/1,043.63
6. Step 6: Final answer
   x = 1,049.76