Finding the Fourth Proportional to 21,875.16, 30,171.61 and 16,497.83

Step by Step Solution

1. Step 1: Write the proportion equation
   21,875.16 : 30,171.61 = 16,497.83 : x
2. Step 2: Convert to fraction form
   21,875.16/30,171.61 = 16,497.83/x
3. Step 3: Cross multiply
   21,875.16x = 30,171.61 × 16,497.83
4. Step 4: Simplify right side
   21,875.16x = 497,765,962.37
5. Step 5: Solve for x
   x = 497,765,962.37/21,875.16
6. Step 6: Final answer
   x = 22,754.85