Finding the Fourth Proportional to 3,075.30, 4,613.76 and 883.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,075.30 : 4,613.76 = 883.98 : x
2. Step 2: Convert to fraction form
   3,075.30/4,613.76 = 883.98/x
3. Step 3: Cross multiply
   3,075.30x = 4,613.76 × 883.98
4. Step 4: Simplify right side
   3,075.30x = 4,078,471.56
5. Step 5: Solve for x
   x = 4,078,471.56/3,075.30
6. Step 6: Final answer
   x = 1,326.20