Finding the Fourth Proportional to 31,419.34, 43,358.72 and 17,273.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,419.34 : 43,358.72 = 17,273.10 : x
2. Step 2: Convert to fraction form
   31,419.34/43,358.72 = 17,273.10/x
3. Step 3: Cross multiply
   31,419.34x = 43,358.72 × 17,273.10
4. Step 4: Simplify right side
   31,419.34x = 748,939,506.43
5. Step 5: Solve for x
   x = 748,939,506.43/31,419.34
6. Step 6: Final answer
   x = 23,836.89