Finding the Fourth Proportional to 7,153.38, 10,639.35 and 7,075.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,153.38 : 10,639.35 = 7,075.62 : x
2. Step 2: Convert to fraction form
   7,153.38/10,639.35 = 7,075.62/x
3. Step 3: Cross multiply
   7,153.38x = 10,639.35 × 7,075.62
4. Step 4: Simplify right side
   7,153.38x = 75,279,997.65
5. Step 5: Solve for x
   x = 75,279,997.65/7,153.38
6. Step 6: Final answer
   x = 10,523.70