Finding the Fourth Proportional to 31,253.32, 43,128.42 and 17,106.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,253.32 : 43,128.42 = 17,106.28 : x
2. Step 2: Convert to fraction form
   31,253.32/43,128.42 = 17,106.28/x
3. Step 3: Cross multiply
   31,253.32x = 43,128.42 × 17,106.28
4. Step 4: Simplify right side
   31,253.32x = 737,766,828.48
5. Step 5: Solve for x
   x = 737,766,828.48/31,253.32
6. Step 6: Final answer
   x = 23,606.03