Finding the Fourth Proportional to 31,329.34, 43,236.47 and 17,182.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,329.34 : 43,236.47 = 17,182.20 : x
2. Step 2: Convert to fraction form
   31,329.34/43,236.47 = 17,182.20/x
3. Step 3: Cross multiply
   31,329.34x = 43,236.47 × 17,182.20
4. Step 4: Simplify right side
   31,329.34x = 742,897,674.83
5. Step 5: Solve for x
   x = 742,897,674.83/31,329.34
6. Step 6: Final answer
   x = 23,712.52