Finding the Fourth Proportional to 31,328.25, 43,233.01 and 17,181.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,328.25 : 43,233.01 = 17,181.15 : x
2. Step 2: Convert to fraction form
   31,328.25/43,233.01 = 17,181.15/x
3. Step 3: Cross multiply
   31,328.25x = 43,233.01 × 17,181.15
4. Step 4: Simplify right side
   31,328.25x = 742,792,786.81
5. Step 5: Solve for x
   x = 742,792,786.81/31,328.25
6. Step 6: Final answer
   x = 23,710.00