Finding the Fourth Proportional to 5,075.60, 7,613.69 and 2,868.53

Step by Step Solution

1. Step 1: Write the proportion equation
   5,075.60 : 7,613.69 = 2,868.53 : x
2. Step 2: Convert to fraction form
   5,075.60/7,613.69 = 2,868.53/x
3. Step 3: Cross multiply
   5,075.60x = 7,613.69 × 2,868.53
4. Step 4: Simplify right side
   5,075.60x = 21,840,045.76
5. Step 5: Solve for x
   x = 21,840,045.76/5,075.60
6. Step 6: Final answer
   x = 4,302.95