Finding the Fourth Proportional to 1,043.88, 1,440.47 and 595.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043.88 : 1,440.47 = 595.69 : x
2. Step 2: Convert to fraction form
   1,043.88/1,440.47 = 595.69/x
3. Step 3: Cross multiply
   1,043.88x = 1,440.47 × 595.69
4. Step 4: Simplify right side
   1,043.88x = 858,071.46
5. Step 5: Solve for x
   x = 858,071.46/1,043.88
6. Step 6: Final answer
   x = 822.00