Finding the Fourth Proportional to 1,043.07, 1,561.15 and 695.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.07 : 1,561.15 = 695.58 : x
2. Step 2: Convert to fraction form
   1,043.07/1,561.15 = 695.58/x
3. Step 3: Cross multiply
   1,043.07x = 1,561.15 × 695.58
4. Step 4: Simplify right side
   1,043.07x = 1,085,904.72
5. Step 5: Solve for x
   x = 1,085,904.72/1,043.07
6. Step 6: Final answer
   x = 1,041.07