Finding the Fourth Proportional to 7,500.69, 10,345.59 and 5,729.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,500.69 : 10,345.59 = 5,729.22 : x
2. Step 2: Convert to fraction form
   7,500.69/10,345.59 = 5,729.22/x
3. Step 3: Cross multiply
   7,500.69x = 10,345.59 × 5,729.22
4. Step 4: Simplify right side
   7,500.69x = 59,272,161.14
5. Step 5: Solve for x
   x = 59,272,161.14/7,500.69
6. Step 6: Final answer
   x = 7,902.23