Finding the Fourth Proportional to 31,328.73, 43,233.70 and 17,181.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,328.73 : 43,233.70 = 17,181.67 : x
2. Step 2: Convert to fraction form
   31,328.73/43,233.70 = 17,181.67/x
3. Step 3: Cross multiply
   31,328.73x = 43,233.70 × 17,181.67
4. Step 4: Simplify right side
   31,328.73x = 742,827,080.37
5. Step 5: Solve for x
   x = 742,827,080.37/31,328.73
6. Step 6: Final answer
   x = 23,710.73