Finding the Fourth Proportional to 9,305.32, 12,841.38 and 5,113.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,305.32 : 12,841.38 = 5,113.72 : x
2. Step 2: Convert to fraction form
   9,305.32/12,841.38 = 5,113.72/x
3. Step 3: Cross multiply
   9,305.32x = 12,841.38 × 5,113.72
4. Step 4: Simplify right side
   9,305.32x = 65,667,221.73
5. Step 5: Solve for x
   x = 65,667,221.73/9,305.32
6. Step 6: Final answer
   x = 7,056.95