Finding the Fourth Proportional to 22,101.25, 30,499.73 and 12,165.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,101.25 : 30,499.73 = 12,165.25 : x
2. Step 2: Convert to fraction form
   22,101.25/30,499.73 = 12,165.25/x
3. Step 3: Cross multiply
   22,101.25x = 30,499.73 × 12,165.25
4. Step 4: Simplify right side
   22,101.25x = 371,036,840.38
5. Step 5: Solve for x
   x = 371,036,840.38/22,101.25
6. Step 6: Final answer
   x = 16,788.05