Finding the Fourth Proportional to 1,075.56, 1,483.76 and 955.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.56 : 1,483.76 = 955.89 : x
2. Step 2: Convert to fraction form
   1,075.56/1,483.76 = 955.89/x
3. Step 3: Cross multiply
   1,075.56x = 1,483.76 × 955.89
4. Step 4: Simplify right side
   1,075.56x = 1,418,306.57
5. Step 5: Solve for x
   x = 1,418,306.57/1,075.56
6. Step 6: Final answer
   x = 1,318.67