Finding the Fourth Proportional to 71,446.21, 107,168.20 and 17,411.51

Step by Step Solution

1. Step 1: Write the proportion equation
   71,446.21 : 107,168.20 = 17,411.51 : x
2. Step 2: Convert to fraction form
   71,446.21/107,168.20 = 17,411.51/x
3. Step 3: Cross multiply
   71,446.21x = 107,168.20 × 17,411.51
4. Step 4: Simplify right side
   71,446.21x = 1,865,960,185.98
5. Step 5: Solve for x
   x = 1,865,960,185.98/71,446.21
6. Step 6: Final answer
   x = 26,116.99