Finding the Fourth Proportional to 31,047.57, 42,845.67 and 16,900.44

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.57 : 42,845.67 = 16,900.44 : x
2. Step 2: Convert to fraction form
   31,047.57/42,845.67 = 16,900.44/x
3. Step 3: Cross multiply
   31,047.57x = 42,845.67 × 16,900.44
4. Step 4: Simplify right side
   31,047.57x = 724,110,675.09
5. Step 5: Solve for x
   x = 724,110,675.09/31,047.57
6. Step 6: Final answer
   x = 23,322.62