Finding the Fourth Proportional to 31,072.97, 42,882.51 and 23,402.51

Step by Step Solution

1. Step 1: Write the proportion equation
   31,072.97 : 42,882.51 = 23,402.51 : x
2. Step 2: Convert to fraction form
   31,072.97/42,882.51 = 23,402.51/x
3. Step 3: Cross multiply
   31,072.97x = 42,882.51 × 23,402.51
4. Step 4: Simplify right side
   31,072.97x = 1,003,558,369.10
5. Step 5: Solve for x
   x = 1,003,558,369.10/31,072.97
6. Step 6: Final answer
   x = 32,296.83