Finding the Fourth Proportional to 9,147.86, 12,624.03 and 4,956.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,147.86 : 12,624.03 = 4,956.11 : x
2. Step 2: Convert to fraction form
   9,147.86/12,624.03 = 4,956.11/x
3. Step 3: Cross multiply
   9,147.86x = 12,624.03 × 4,956.11
4. Step 4: Simplify right side
   9,147.86x = 62,566,018.20
5. Step 5: Solve for x
   x = 62,566,018.20/9,147.86
6. Step 6: Final answer
   x = 6,839.42