Finding the Fourth Proportional to 31,302.84, 43,198.29 and 17,155.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,302.84 : 43,198.29 = 17,155.38 : x
2. Step 2: Convert to fraction form
   31,302.84/43,198.29 = 17,155.38/x
3. Step 3: Cross multiply
   31,302.84x = 43,198.29 × 17,155.38
4. Step 4: Simplify right side
   31,302.84x = 741,083,080.30
5. Step 5: Solve for x
   x = 741,083,080.30/31,302.84
6. Step 6: Final answer
   x = 23,674.63