Finding the Fourth Proportional to 15,544.52, 21,451.72 and 8,470.96

Step by Step Solution

1. Step 1: Write the proportion equation
   15,544.52 : 21,451.72 = 8,470.96 : x
2. Step 2: Convert to fraction form
   15,544.52/21,451.72 = 8,470.96/x
3. Step 3: Cross multiply
   15,544.52x = 21,451.72 × 8,470.96
4. Step 4: Simplify right side
   15,544.52x = 181,716,662.05
5. Step 5: Solve for x
   x = 181,716,662.05/15,544.52
6. Step 6: Final answer
   x = 11,690.08