Finding the Fourth Proportional to 31,047.44, 42,845.47 and 16,900.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,047.44 : 42,845.47 = 16,900.38 : x
2. Step 2: Convert to fraction form
   31,047.44/42,845.47 = 16,900.38/x
3. Step 3: Cross multiply
   31,047.44x = 42,845.47 × 16,900.38
4. Step 4: Simplify right side
   31,047.44x = 724,104,724.28
5. Step 5: Solve for x
   x = 724,104,724.28/31,047.44
6. Step 6: Final answer
   x = 23,322.53