Finding the Fourth Proportional to 15,326.82, 21,152.61 and 8,612.46

Step by Step Solution

1. Step 1: Write the proportion equation
   15,326.82 : 21,152.61 = 8,612.46 : x
2. Step 2: Convert to fraction form
   15,326.82/21,152.61 = 8,612.46/x
3. Step 3: Cross multiply
   15,326.82x = 21,152.61 × 8,612.46
4. Step 4: Simplify right side
   15,326.82x = 182,176,007.52
5. Step 5: Solve for x
   x = 182,176,007.52/15,326.82
6. Step 6: Final answer
   x = 11,886.09