Finding the Fourth Proportional to 54,689.98, 81,907.50 and 52,795.83

Step by Step Solution

1. Step 1: Write the proportion equation
   54,689.98 : 81,907.50 = 52,795.83 : x
2. Step 2: Convert to fraction form
   54,689.98/81,907.50 = 52,795.83/x
3. Step 3: Cross multiply
   54,689.98x = 81,907.50 × 52,795.83
4. Step 4: Simplify right side
   54,689.98x = 4,324,373,976.98
5. Step 5: Solve for x
   x = 4,324,373,976.98/54,689.98
6. Step 6: Final answer
   x = 79,070.69