Finding the Fourth Proportional to 9,305.30, 12,841.17 and 5,113.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,305.30 : 12,841.17 = 5,113.46 : x
2. Step 2: Convert to fraction form
   9,305.30/12,841.17 = 5,113.46/x
3. Step 3: Cross multiply
   9,305.30x = 12,841.17 × 5,113.46
4. Step 4: Simplify right side
   9,305.30x = 65,662,809.15
5. Step 5: Solve for x
   x = 65,662,809.15/9,305.30
6. Step 6: Final answer
   x = 7,056.50