Finding the Fourth Proportional to 31,441.42, 43,388.72 and 17,100.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,441.42 : 43,388.72 = 17,100.94 : x
2. Step 2: Convert to fraction form
   31,441.42/43,388.72 = 17,100.94/x
3. Step 3: Cross multiply
   31,441.42x = 43,388.72 × 17,100.94
4. Step 4: Simplify right side
   31,441.42x = 741,987,897.40
5. Step 5: Solve for x
   x = 741,987,897.40/31,441.42
6. Step 6: Final answer
   x = 23,599.06