Finding the Fourth Proportional to 31,441, 43,388.87 and 17,100.97

Step by Step Solution

1. Step 1: Write the proportion equation
   31,441 : 43,388.87 = 17,100.97 : x
2. Step 2: Convert to fraction form
   31,441/43,388.87 = 17,100.97/x
3. Step 3: Cross multiply
   31,441x = 43,388.87 × 17,100.97
4. Step 4: Simplify right side
   31,441x = 741,991,764.20
5. Step 5: Solve for x
   x = 741,991,764.20/31,441
6. Step 6: Final answer
   x = 23,599.50