Finding the Fourth Proportional to 9,912.56, 14,868.83 and 5,470.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912.56 : 14,868.83 = 5,470.01 : x
2. Step 2: Convert to fraction form
   9,912.56/14,868.83 = 5,470.01/x
3. Step 3: Cross multiply
   9,912.56x = 14,868.83 × 5,470.01
4. Step 4: Simplify right side
   9,912.56x = 81,332,621.44
5. Step 5: Solve for x
   x = 81,332,621.44/9,912.56
6. Step 6: Final answer
   x = 8,205.01