Finding the Fourth Proportional to 31,030.98, 42,821.52 and 16,883.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.98 : 42,821.52 = 16,883.82 : x
2. Step 2: Convert to fraction form
   31,030.98/42,821.52 = 16,883.82/x
3. Step 3: Cross multiply
   31,030.98x = 42,821.52 × 16,883.82
4. Step 4: Simplify right side
   31,030.98x = 722,990,835.81
5. Step 5: Solve for x
   x = 722,990,835.81/31,030.98
6. Step 6: Final answer
   x = 23,299.00