Finding the Fourth Proportional to 31,080.98, 42,891.73 and 16,933.93

Step by Step Solution

1. Step 1: Write the proportion equation
   31,080.98 : 42,891.73 = 16,933.93 : x
2. Step 2: Convert to fraction form
   31,080.98/42,891.73 = 16,933.93/x
3. Step 3: Cross multiply
   31,080.98x = 42,891.73 × 16,933.93
4. Step 4: Simplify right side
   31,080.98x = 726,325,403.83
5. Step 5: Solve for x
   x = 726,325,403.83/31,080.98
6. Step 6: Final answer
   x = 23,368.80