Finding the Fourth Proportional to 16,611.52, 22,953.06 and 13,281.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,611.52 : 22,953.06 = 13,281.82 : x
2. Step 2: Convert to fraction form
   16,611.52/22,953.06 = 13,281.82/x
3. Step 3: Cross multiply
   16,611.52x = 22,953.06 × 13,281.82
4. Step 4: Simplify right side
   16,611.52x = 304,858,411.37
5. Step 5: Solve for x
   x = 304,858,411.37/16,611.52
6. Step 6: Final answer
   x = 18,352.23