Finding the Fourth Proportional to 15,533.01, 21,436.31 and 8,818.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,533.01 : 21,436.31 = 8,818.52 : x
2. Step 2: Convert to fraction form
   15,533.01/21,436.31 = 8,818.52/x
3. Step 3: Cross multiply
   15,533.01x = 21,436.31 × 8,818.52
4. Step 4: Simplify right side
   15,533.01x = 189,036,443.33
5. Step 5: Solve for x
   x = 189,036,443.33/15,533.01
6. Step 6: Final answer
   x = 12,169.98