Finding the Fourth Proportional to 1,075.15, 1,483.69 and 596.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.15 : 1,483.69 = 596.61 : x
2. Step 2: Convert to fraction form
   1,075.15/1,483.69 = 596.61/x
3. Step 3: Cross multiply
   1,075.15x = 1,483.69 × 596.61
4. Step 4: Simplify right side
   1,075.15x = 885,184.29
5. Step 5: Solve for x
   x = 885,184.29/1,075.15
6. Step 6: Final answer
   x = 823.31