Finding the Fourth Proportional to 7,524.30, 10,372.72 and 5,279.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,524.30 : 10,372.72 = 5,279.22 : x
2. Step 2: Convert to fraction form
   7,524.30/10,372.72 = 5,279.22/x
3. Step 3: Cross multiply
   7,524.30x = 10,372.72 × 5,279.22
4. Step 4: Simplify right side
   7,524.30x = 54,759,844.48
5. Step 5: Solve for x
   x = 54,759,844.48/7,524.30
6. Step 6: Final answer
   x = 7,277.73