Finding the Fourth Proportional to 1,040.69, 1,436.29 and 598.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,040.69 : 1,436.29 = 598.51 : x
2. Step 2: Convert to fraction form
   1,040.69/1,436.29 = 598.51/x
3. Step 3: Cross multiply
   1,040.69x = 1,436.29 × 598.51
4. Step 4: Simplify right side
   1,040.69x = 859,628.84
5. Step 5: Solve for x
   x = 859,628.84/1,040.69
6. Step 6: Final answer
   x = 826.02