Finding the Fourth Proportional to 7,280.23, 10,075.59 and 7,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,280.23 : 10,075.59 = 7,105.52 : x
2. Step 2: Convert to fraction form
   7,280.23/10,075.59 = 7,105.52/x
3. Step 3: Cross multiply
   7,280.23x = 10,075.59 × 7,105.52
4. Step 4: Simplify right side
   7,280.23x = 71,592,306.26
5. Step 5: Solve for x
   x = 71,592,306.26/7,280.23
6. Step 6: Final answer
   x = 9,833.80