Finding the Fourth Proportional to 31,301.87, 43,196.27 and 16,961.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,301.87 : 43,196.27 = 16,961.38 : x
2. Step 2: Convert to fraction form
   31,301.87/43,196.27 = 16,961.38/x
3. Step 3: Cross multiply
   31,301.87x = 43,196.27 × 16,961.38
4. Step 4: Simplify right side
   31,301.87x = 732,668,284.47
5. Step 5: Solve for x
   x = 732,668,284.47/31,301.87
6. Step 6: Final answer
   x = 23,406.54