Finding the Fourth Proportional to 9,231.06, 12,740.33 and 5,870.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,231.06 : 12,740.33 = 5,870.37 : x
2. Step 2: Convert to fraction form
   9,231.06/12,740.33 = 5,870.37/x
3. Step 3: Cross multiply
   9,231.06x = 12,740.33 × 5,870.37
4. Step 4: Simplify right side
   9,231.06x = 74,790,421.67
5. Step 5: Solve for x
   x = 74,790,421.67/9,231.06
6. Step 6: Final answer
   x = 8,102.04