Finding the Fourth Proportional to 9,369.12, 12,931.96 and 5,830.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,369.12 : 12,931.96 = 5,830.22 : x
2. Step 2: Convert to fraction form
   9,369.12/12,931.96 = 5,830.22/x
3. Step 3: Cross multiply
   9,369.12x = 12,931.96 × 5,830.22
4. Step 4: Simplify right side
   9,369.12x = 75,396,171.83
5. Step 5: Solve for x
   x = 75,396,171.83/9,369.12
6. Step 6: Final answer
   x = 8,047.31