Finding the Fourth Proportional to 54,333.50, 81,499.79 and 16,893.50

Step by Step Solution

1. Step 1: Write the proportion equation
   54,333.50 : 81,499.79 = 16,893.50 : x
2. Step 2: Convert to fraction form
   54,333.50/81,499.79 = 16,893.50/x
3. Step 3: Cross multiply
   54,333.50x = 81,499.79 × 16,893.50
4. Step 4: Simplify right side
   54,333.50x = 1,376,816,337.10
5. Step 5: Solve for x
   x = 1,376,816,337.10/54,333.50
6. Step 6: Final answer
   x = 25,340.10