Finding the Fourth Proportional to 1,075.16, 1,483.98 and 726.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.16 : 1,483.98 = 726.20 : x
2. Step 2: Convert to fraction form
   1,075.16/1,483.98 = 726.20/x
3. Step 3: Cross multiply
   1,075.16x = 1,483.98 × 726.20
4. Step 4: Simplify right side
   1,075.16x = 1,077,666.28
5. Step 5: Solve for x
   x = 1,077,666.28/1,075.16
6. Step 6: Final answer
   x = 1,002.33