Finding the Fourth Proportional to 10,975.68, 16,470.72 and 8,045.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,975.68 : 16,470.72 = 8,045.04 : x
2. Step 2: Convert to fraction form
   10,975.68/16,470.72 = 8,045.04/x
3. Step 3: Cross multiply
   10,975.68x = 16,470.72 × 8,045.04
4. Step 4: Simplify right side
   10,975.68x = 132,507,601.23
5. Step 5: Solve for x
   x = 132,507,601.23/10,975.68
6. Step 6: Final answer
   x = 12,072.84