Finding the Fourth Proportional to 31,243.95, 43,116.53 and 16,903.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,243.95 : 43,116.53 = 16,903.82 : x
2. Step 2: Convert to fraction form
   31,243.95/43,116.53 = 16,903.82/x
3. Step 3: Cross multiply
   31,243.95x = 43,116.53 × 16,903.82
4. Step 4: Simplify right side
   31,243.95x = 728,834,104.40
5. Step 5: Solve for x
   x = 728,834,104.40/31,243.95
6. Step 6: Final answer
   x = 23,327.21