Finding the Fourth Proportional to 31,505.34, 43,478.37 and 17,358.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,505.34 : 43,478.37 = 17,358.69 : x
2. Step 2: Convert to fraction form
   31,505.34/43,478.37 = 17,358.69/x
3. Step 3: Cross multiply
   31,505.34x = 43,478.37 × 17,358.69
4. Step 4: Simplify right side
   31,505.34x = 754,727,546.54
5. Step 5: Solve for x
   x = 754,727,546.54/31,505.34
6. Step 6: Final answer
   x = 23,955.54