Finding the Fourth Proportional to 31,528.41, 43,510.82 and 17,381.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,528.41 : 43,510.82 = 17,381.22 : x
2. Step 2: Convert to fraction form
   31,528.41/43,510.82 = 17,381.22/x
3. Step 3: Cross multiply
   31,528.41x = 43,510.82 × 17,381.22
4. Step 4: Simplify right side
   31,528.41x = 756,271,047.89
5. Step 5: Solve for x
   x = 756,271,047.89/31,528.41
6. Step 6: Final answer
   x = 23,986.97