Finding the Fourth Proportional to 31,185.50, 43,035.98 and 16,845.33

Step by Step Solution

1. Step 1: Write the proportion equation
   31,185.50 : 43,035.98 = 16,845.33 : x
2. Step 2: Convert to fraction form
   31,185.50/43,035.98 = 16,845.33/x
3. Step 3: Cross multiply
   31,185.50x = 43,035.98 × 16,845.33
4. Step 4: Simplify right side
   31,185.50x = 724,955,327.09
5. Step 5: Solve for x
   x = 724,955,327.09/31,185.50
6. Step 6: Final answer
   x = 23,246.55