Finding the Fourth Proportional to 9,303.70, 12,839.10 and 5,111.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.70 : 12,839.10 = 5,111.94 : x
2. Step 2: Convert to fraction form
   9,303.70/12,839.10 = 5,111.94/x
3. Step 3: Cross multiply
   9,303.70x = 12,839.10 × 5,111.94
4. Step 4: Simplify right side
   9,303.70x = 65,632,708.85
5. Step 5: Solve for x
   x = 65,632,708.85/9,303.70
6. Step 6: Final answer
   x = 7,054.47