Finding the Fourth Proportional to 15,444.94, 21,311.72 and 8,730.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,444.94 : 21,311.72 = 8,730.52 : x
2. Step 2: Convert to fraction form
   15,444.94/21,311.72 = 8,730.52/x
3. Step 3: Cross multiply
   15,444.94x = 21,311.72 × 8,730.52
4. Step 4: Simplify right side
   15,444.94x = 186,062,397.69
5. Step 5: Solve for x
   x = 186,062,397.69/15,444.94
6. Step 6: Final answer
   x = 12,046.82