Finding the Fourth Proportional to 9,900, 14,851.56 and 4,704.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,900 : 14,851.56 = 4,704.12 : x
2. Step 2: Convert to fraction form
   9,900/14,851.56 = 4,704.12/x
3. Step 3: Cross multiply
   9,900x = 14,851.56 × 4,704.12
4. Step 4: Simplify right side
   9,900x = 69,863,520.43
5. Step 5: Solve for x
   x = 69,863,520.43/9,900
6. Step 6: Final answer
   x = 7,056.92