Finding the Fourth Proportional to 9,147.91, 12,624.17 and 4,956.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.91 : 12,624.17 = 4,956.16 : x
2. Step 2: Convert to fraction form
   9,147.91/12,624.17 = 4,956.16/x
3. Step 3: Cross multiply
   9,147.91x = 12,624.17 × 4,956.16
4. Step 4: Simplify right side
   9,147.91x = 62,567,406.39
5. Step 5: Solve for x
   x = 62,567,406.39/9,147.91
6. Step 6: Final answer
   x = 6,839.53