Finding the Fourth Proportional to 9,309.61, 12,847.33 and 5,060.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.61 : 12,847.33 = 5,060.67 : x
2. Step 2: Convert to fraction form
   9,309.61/12,847.33 = 5,060.67/x
3. Step 3: Cross multiply
   9,309.61x = 12,847.33 × 5,060.67
4. Step 4: Simplify right side
   9,309.61x = 65,016,097.51
5. Step 5: Solve for x
   x = 65,016,097.51/9,309.61
6. Step 6: Final answer
   x = 6,983.76