Finding the Fourth Proportional to 9,375.22, 12,929.41 and 7,779.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.22 : 12,929.41 = 7,779.33 : x
2. Step 2: Convert to fraction form
   9,375.22/12,929.41 = 7,779.33/x
3. Step 3: Cross multiply
   9,375.22x = 12,929.41 × 7,779.33
4. Step 4: Simplify right side
   9,375.22x = 100,582,127.65
5. Step 5: Solve for x
   x = 100,582,127.65/9,375.22
6. Step 6: Final answer
   x = 10,728.51