Finding the Fourth Proportional to 31,254.76, 43,130.76 and 17,106.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,254.76 : 43,130.76 = 17,106.69 : x
2. Step 2: Convert to fraction form
   31,254.76/43,130.76 = 17,106.69/x
3. Step 3: Cross multiply
   31,254.76x = 43,130.76 × 17,106.69
4. Step 4: Simplify right side
   31,254.76x = 737,824,540.78
5. Step 5: Solve for x
   x = 737,824,540.78/31,254.76
6. Step 6: Final answer
   x = 23,606.79