Finding the Fourth Proportional to 31,445.69, 43,394.04 and 17,298.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,445.69 : 43,394.04 = 17,298.50 : x
2. Step 2: Convert to fraction form
   31,445.69/43,394.04 = 17,298.50/x
3. Step 3: Cross multiply
   31,445.69x = 43,394.04 × 17,298.50
4. Step 4: Simplify right side
   31,445.69x = 750,651,583.97
5. Step 5: Solve for x
   x = 750,651,583.97/31,445.69
6. Step 6: Final answer
   x = 23,871.37